CVE-2026-35054 in XenForo
Summary
XenForo before 2.3.9 is vulnerable to stored cross-site scripting (XSS) related to BB code rendering. An attacker can inject malicious scripts through BB code that are stored and executed when other users view the content.
Responsible
VulnCheck
Reservation
04/01/2026
Disclosure
04/01/2026
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 354525 | XenForo BB Code Rendering cross site scripting | 79 | Not defined | Official fix | CVE-2026-35054 |