CVE-2026-48940: Joomlaworks k2

Low severity, CVSS 3.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.

Affected products

• Joomlaworks k2: up to and including 2.26

Published 2026-06-25. Last modified 2026-06-28.