CVE-2026-43939
| Summary |
YetAnotherForum.NET (YAF.NET) is a C# ASP.NET forum. Prior to 4.0.5 and 3.2.12, the thread posting and reply feature accepts user-supplied content via a a post or reply that is stored server-side and later rendered back into the thread page without adequate HTML sanitization or contextual output encoding. This vulnerability is fixed in 4.0.5 and 3.2.12.
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| Publication Date |
May 13, 2026, 12:16 a.m. |
| Registration Date |
May 13, 2026, 4:12 a.m. |
| Last Update |
May 13, 2026, 12:16 a.m. |
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CVSS3.1 : HIGH
|
| スコア |
7.3
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 利用者の関与(UI) |
要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
高 |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
なし |
Related information, measures and tools
Common Vulnerabilities List