PT-2026-52468 · Getk2.Com · K2 Extension For Joomla

Matan Bahar + 1 · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-48945

Mitre

CVSS v3.1

5.3

Medium

Base vector

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

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.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2026-48945

Affected Products

K2 Extension For Joomla

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-48945 · Security Note
• https://getk2.org · Note