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NVD Vulnerability Details :
CVE-2026-43937
Deferred
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 15:16
Updated At-13 May, 2026 | 18:24

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-89Secondarysecurity-advisories@github.com
CWE-841Secondarysecurity-advisories@github.com
CWE ID: CWE-89
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-841
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/YAFNET/YAFNET/security/advisories/GHSA-xhw7-j96h-c3g5security-advisories@github.com
N/A
https://github.com/YAFNET/YAFNET/security/advisories/GHSA-xhw7-j96h-c3g5134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/YAFNET/YAFNET/security/advisories/GHSA-xhw7-j96h-c3g5
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/YAFNET/YAFNET/security/advisories/GHSA-xhw7-j96h-c3g5
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A
Change History
0Changes found
Details not found