CVE-2026-35056

published 2026-04-01

CVE-2026-35056: 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…

Priority P2 76 high 7.2 CVSS 3.1

AV N AC L PR H UI N S U C H I H A H

ITW VulnCheck KEV

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
xenforo	xenforo	< 2.2.18	2.2.18
xenforo	xenforo	>= 2.3.0 < 2.3.9	2.3.9

CVSS provenance

nvd v3.1 7.2 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd v4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

vulncheck 8.6 HIGH

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CWE-94