CVE-2026-48946 — Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A…
Published: 2026-06-25 · CVSS: 6.3 · CVSS 3.1
The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7