CVE-2026-35057

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.4 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

April 01, 2026

Last Modified

April 01, 2026

CWE ID

CWE-79

Source

NVD

Vendor

XenForo

Product

XenForo

External References

https://github.com/methosiea/xenforo-2-xss
https://www.vulncheck.com/advisories/xenforo-stored-cross-site-scripting-via-structured-text-mentions
https://xenforo.com/community/threads/xenforo-2-3-10-add-ons-and-2-2-19-released-includes-security-fix.236249/

CVE-2026-35057

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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