HIGH SeverityCVSS 3.17.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVE-2026-43939
Last updated May 12, 2026 · Published May 12, 2026
Description
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.
Affected products
1 listed- YAFNET:YAFNET
Mappings
CWE
CWE-116CWE-79CWE-80
CAPEC
None listed.
Related
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