CVE-2026-35056

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

XenForo before 2.3.9 and before 2.2.18 allows remote code execution (RCE) by authenticated, but malicious, admin users. An attacker with admin panel access can execute arbitrary code on the server.

Vulnerability Details

Published Date

April 01, 2026

Last Modified

April 01, 2026

CWE ID

CWE-94

Source

NVD

Vendor

XenForo

Product

XenForo

External References

https://www.vulncheck.com/advisories/xenforo-remote-code-execution-via-authenticated-admin
https://xenforo.com/community/threads/xenforo-2-3-9-inc-xfmg-2-2-18-released-security-fix.235659/

CVE-2026-35056

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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