CVE-2026-35055

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...

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 users interact with post content displayed in the lightbox...

PT-2026-29430

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...