Vulnerability Details CVE-2026-35057
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.1%
CVSS Severity
CVSS v3 Score 6.4
References
Products affected by CVE-2026-35057
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cpe:2.3:a:xenforo:xenforo:*
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cpe:2.3:a:xenforo:xenforo:-
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cpe:2.3:a:xenforo:xenforo:2.2.14
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cpe:2.3:a:xenforo:xenforo:2.2.16
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cpe:2.3:a:xenforo:xenforo:2.2.7