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CVE-2026-43938 YAF.NET: Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header

🗓️ 12 May 2026 13:57:56Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Unauthenticated stored second-order cross-site scripting in the admin event log via the user-agent header in yetanotherforum.Net; fixed in 4.0.5 and 3.2.12.

Related
Affected
Refs
[
  {
    "vendor": "YAFNET",
    "product": "YAFNET",
    "versions": [
      {
        "version": ">= 4.0.0-beta.1, < 4.0.5",
        "status": "affected"
      },
      {
        "version": "< 3.2.12",
        "status": "affected"
      }
    ]
  }
]

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