CVE-2026-21623: Stackideas Easydiscuss

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Lack of input filterung leads to a persistent XSS vulnerability in the forum post handling of the Easy Discuss component for Joomla.

Affected products

• Stackideas Easydiscuss: from 1.0.0, up to and including 5.0.15

Published 2026-01-16. Last modified 2026-06-17.