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Joomla! CMS Cross-Site Scripting Vulnerability in Menu List ID Attribute

Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in Joomla! CMS. This issue arises from a lack of proper output escaping in the id attribute of menu lists. The vulnerability is present in Joomla! CMS versions 3.0.0 through 3.10.19-elts, 4.0.0 through 4.4.9, and 5.0.0 through 5.2.2.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to upgrade to Joomla! CMS versions 3.10.20-elts, 4.4.10, or 5.2.3.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
7.6
impact
1.7
exploitability
6.5
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.