CVE-2026-90906: Joomla! Core - [20260901] - XSS in HTMLHelper::link method in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3
Published Sep 29, 2026
·Updated
Joomla! Core - [20260901] - XSS in HTMLHelper::link method in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - Lack of escaping leads to XSS vulnerabilities in the link method of the HTML Helper.
Affected Software
1 affected component
Joomla joomla>=1.5.0<=5.4.8, >=6.0.0<=6.1.3
Event History
Sep 29, 2026
CVE Published
via MITRE·04:34 PM
Data Sourced
via MITRE·04:34 PM
DescriptionWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Which Joomla versions are affected?
Affected versions are Joomla 1.5.0 through 5.4.8 and Joomla 6.0.0 through 6.1.3.
2
What component contains the vulnerable functionality?
The issue is in the HTML Helper's link method, HTMLHelper::link, where missing escaping can allow cross-site scripting.