VULNERABILITY INTELLIGENCE

CVE-2026-35054

CVSS score6.4 MEDIUM
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-04-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-79

Primary references