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VULNERABILITIES

CVE-2026-35056 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.vulncheck.com/advisories/xenforo-remote-code-execution-via-authenticated-admin [email protected]Third Party Advisory
https://xenforo.com/community/threads/xenforo-2-3-9-inc-xfmg-2-2-18-released-security-fix.235659/ [email protected]Release Notes

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

ProductVersions
xenforo xenforo
< 2.2.18
>= 2.3.0, < 2.3.9

CPE

  • cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-35056
NVD Published Date:
Apr 1, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-35056 Details - Not Deferred