Xenforo: >> Xenforo >> 2.2.19 Security Vulnerabilities
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.
CVSS Score
5.1
EPSS Score
0.0
Published
2026-04-01
XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.
CVSS Score
9.3
EPSS Score
0.001
Published
2026-04-01
XenForo before 2.3.7 allows information disclosure via local account page caching on shared systems. On systems where multiple users share a browser or machine, cached account pages could expose sensitive user information to other local users.
CVSS Score
6.9
EPSS Score
0.0
Published
2026-04-01
XenForo before 2.3.7 does not properly restrict methods callable from within templates. A loose prefix match was used instead of a stricter first-word match for methods accessible through callbacks and variable method calls in templates, potentially allowing unauthorized method invocations.
CVSS Score
8.7
EPSS Score
0.001
Published
2026-04-01
XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by open_basedir restrictions. This allows an attacker to obtain information about the server's directory structure.
CVSS Score
8.7
EPSS Score
0.0
Published
2026-04-01