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Joomla! Pagebreak Plugin Cross-Site Scripting Vulnerability

Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in the Joomla! pagebreak plugin, stemming from a lack of proper output escaping. This issue affects Joomla! CMS versions 3.9.0 through 5.4.1 and 6.0.0 through 6.0.1.

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 can upgrade to Joomla! CMS version 5.4.2 or 6.0.2 to address this vulnerability.

Added: Jan 6, 2026, 5:31 PM
Updated: Jan 6, 2026, 5:31 PM

Vulnerability Rating

Custom Algorithm
spread
7.6
impact
1.7
exploitability
4.7
remediation
7.7
relevance
1.9
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.