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CVE-2026-43939 YAF.NET: Stored XSS in Forum Thread Posts/Replies Allowing Arbitrary JavaScript Execution for All Thread Viewers

🗓️ 12 May 2026 13:56:39Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

YetAnotherForum.NET stores thread posts without sanitization, enabling stored cross site scripting; fixed in four point zero five and three point two twelve.

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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