CVE-2026-48945 Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26

The K2 article gallery upload path accepts a zip/tar archive, extracts it under /media/k2/galleries//, and only renames image files gif/jpg/jpeg/png/webp to safe names — non-image files including .php are extracted as-is and remain executable via direct HTTP access...

CVE-2026-48942

The K2 extension for Joomla (versions ≤ 2.26) is vulnerable to Stored-XSS because it renders the #__k2_users.image column directly into HTML src attributes across two distinct templates. The root cause is the lack of HTML escaping during this rendering process. While the CVSS score reflects a Med...