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websafe-kb/08-threat-intel/registry/advisories/nextjs--CVE-2025-55173.json

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{
"canonical_id": "nextjs--CVE-2025-55173",
"system_id": "nextjs",
"display_name": "Next.js",
"category": "frameworks",
"advisory_mode": "core",
"title": "Next.js Content Injection Vulnerability for Image Optimization",
"summary": "A vulnerability in **Next.js Image Optimization** has been fixed in **v15.4.5** and **v14.2.31**. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery.\n\nAll users relying on `images.domains` or `images.remotePatterns` are encouraged to upgrade and verify that external image sources are strictly validated.\n\nMore details at [Vercel Changelog](https://vercel.com/changelog/cve-2025-55173)",
"published_at": "2025-08-29T21:59:55Z",
"updated_at": "2026-02-04T04:35:34.538107Z",
"severity": "low",
"cvss_score": 3.1,
"exploit_status": "unknown",
"source_confidence": "official",
"official_source_url": "https://github.com/vercel/next.js/security/advisories/GHSA-xv57-4mr9-wg8v",
"secondary_source_urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2025-55173",
"https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422ddd",
"https://github.com/vercel/next.js",
"https://vercel.com/changelog/cve-2025-55173",
"http://vercel.com/changelog/cve-2025-55173"
],
"aliases": [
"CVE-2025-55173",
"GHSA-xv57-4mr9-wg8v"
],
"cve_ids": [
"CVE-2025-55173"
],
"ghsa_ids": [
"GHSA-xv57-4mr9-wg8v"
],
"osv_ids": [
"GHSA-xv57-4mr9-wg8v"
],
"affected_versions": [
"introduced=0.9.9, fixed<14.2.31",
"introduced=15.0.0, fixed<15.4.5"
],
"fixed_versions": [
"14.2.31",
"15.4.5"
],
"package_name": "next",
"render_markdown": true,
"case_path": "07-framework-security/frameworks/nextjs/cases/nextjs-cve-2025-55173.md",
"secure_code_topics": [
"authz-server-side-recheck",
"proxy-trust-boundary",
"token-cookie-storage"
],
"status": "generated",
"triage_reasons": [],
"metadata": {
"source_names": [
"OSV Next.js"
],
"source_kinds": [
"osv-batch"
],
"candidate_count": 1
}
}