CVE-2026-35056highobserved exploitationCWE-94

CVE-2026-35056: high-severity vulnerability in XenForo

XenForo Remote Code Execution via Authenticated Admin

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43Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Actcvss 8.6epss 0.7%
from disclosure to weapon
Published on NVDApr 1
VulnCheckMar 30
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
XenForo · XenForo
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