PT-2026-52469 · Getk2.Com · K2 Extension For Joomla

Matan Bahar + 1 · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-48946

NVD

CVSS v3.1

6.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2026-48946

Affected Products

K2 Extension For Joomla

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-48946 · Security Note
• https://getk2.org · Note