CVE-2026-35055 — XenForo Cross-Site Scripting via Lightbox in Posts
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…
Published: 2026-04-01 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7