CVE-2026-35056

8.6 highEPSS 0.7%

High (8.6) in xenforo xenforo. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

7.2 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2026-04-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xenforo:xenforo

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/

Check your stack JSON