VulnerabilityAnalyzed
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.
MEDIUM 5.1EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.17% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- xenforo/xenforo
- Source
- disclosure@vulncheck.com
References
- https://github.com/methosiea/xenforo-2-xssExploit, Third Party Advisory
- https://xenforo.com/community/threads/xenforo-2-3-10-add-ons-and-2-2-19-released-includes-security-fix.236249/Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.