CVE-2026-48945

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CVSS 3.1

5.3 medium

EPSS

<1%p26

Published

Jun 25, 2026 (Jun 25, 2026)

Modified

Jun 28, 2026

Description

The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/ /`, 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.

Vendors: joomlaworks
Products: k2
Weakness: CWE-434
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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