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.

INFO

Published Date :

2026-04-01T00:30:12.352Z

Last Modified :

2026-04-01T13:37:39.225Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-35054 vulnerability.

Vendors Products
Xenforo
  • Xenforo
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-35054.

URL Resource
https://www.vulncheck.com/advisories/xenforo-stored-cross-site-scripting-via-bb-code-rendering cve-icon cve-icon
https://xenforo.com/community/threads/xenforo-2-3-9-inc-xfmg-2-2-18-released-security-fix.235659/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact