CVE-2026-35055
MEDIUM
NVD
CVSS Score
6.1
Severity
MEDIUM
Published
Apr 01, 2026
Vendor
unknown
Description
XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.