VULNERABILITY INTELLIGENCE

CVE-2026-48945

CVSS score5.3 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-06-25
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

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.

Weakness classification

  • security@joomla.org: CWE-434

Primary references