Medium severity6.4NVD Advisory· Published Apr 1, 2026· Updated Apr 1, 2026

CVE-2026-35054

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Xenforo/Xenforo2 versions
cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*range: <2.3.9
- (no CPE)range: <2.3.9

Patches

Vulnerability mechanics

References

www.vulncheck.com/advisories/xenforo-stored-cross-site-scripting-via-bb-code-renderingnvdThird Party Advisory
xenforo.com/community/threads/xenforo-2-3-9-inc-xfmg-2-2-18-released-security-fix.235659/nvdRelease Notes

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000