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 - Lack of escaping leads to XSS vulnerabilities in the link method of the HTML Helper.

  • Published Sep 29, 2026
  • CVSS 5.9 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90906 at the National Vulnerability Database