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/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names —…
Published: 2026-06-25 · CVSS: 5.3 · CVSS 3.1
The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, 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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7