VULNERABILITY INTELLIGENCE
CVE-2026-35057
CVSS score5.1 MEDIUM
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-04-01
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Description
XenForo before 2.3.10 and before 2.2.19 is vulnerable to stored cross-site scripting (XSS) in structured text mentions, primarily affecting legacy profile post content. An attacker can inject malicious scripts through crafted mentions that are stored and executed when other users view the content.
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Primary references
- disclosure@vulncheck.com — Exploit, Third Party Advisory
- disclosure@vulncheck.com — Release Notes