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cpe:2.3:a:yafnet:yafnet:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorYafnet (719eebc7-b50e-5e51-8db0-42a8e1a2215c)
ProductYafnet (2a80dac0-f6ab-5cff-88a3-e2c922f30fa6)
Edition*
Language*
Software edition*
Target software*
Target hardware*
Other*

Notes

Imported from gcve-enriched-dumps CVE data

PURL mappings

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Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-43939 vulnerable 2026-06-08 08:03:18.026915 YAF.NET: Stored XSS in Forum Thread Posts/Replies Allowing Arbitrary JavaScript Execution for All Thread Viewers
HIGH (7.3)
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.
Published: 2026-05-12T13:56:39.586Z
Updated: 2026-05-13T14:38:25.692Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2026-43938 vulnerable 2026-06-08 08:03:18.026673 YAF.NET: Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header
HIGH (8.1)
YetAnotherForum.NET (YAF.NET) is a C# ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger (YAFNET.Core/Logger/DbLogger.cs) captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column whenever an event (e.g., an unhandled exception) is logged. The admin event-log page (YetAnotherForum.NET/Pages/Admin/EventLog.cshtml.cs) later deserializes that JSON in FormatStackTrace() and interpolates the UserAgent value directly into an HTML string with no encoding, and the Razor view EventLog.cshtml emits the result through @Html.Raw. This vulnerability is fixed in 4.0.5 and 3.2.12.
Published: 2026-05-12T13:57:56.951Z
Updated: 2026-05-12T15:39:46.446Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2026-43937 vulnerable 2026-06-08 08:03:18.026356 YAF.NET: Pre-Handler Authorization Bypass on Admin Pages Enabling Blind SQL Execution via `/Admin/RunSql`
HIGH (8.8)
YetAnotherForum.NET (YAF.NET) is a C# ASP.NET forum. Prior to 4.0.5, Any admin OnPost… handler executes its side effects before the ResultFilterAttribute rewrites the response to a 302 to /Info/4. The most impactful abuse is /Admin/RunSql, whose OnPostRunQuery binds Editor from the POST body and passes it straight to IDbAccess.RunSql with no caller check, yielding arbitrary SQL execution for any low-privileged user. This vulnerability is fixed in 4.0.5.
Published: 2026-05-12T14:00:35.599Z
Updated: 2026-05-12T15:42:43.601Z
Reference links
Imported from gcve-enriched-dumps CVE data

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