CVE-2026-48945

published 2026-06-25

CVE-2026-48945: 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)…

Priority P4 31 medium 5.3 CVSS 3.1

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//`, 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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
getk2.org	k2_extension_for_joomla	—	—
joomlaworks	k2	<= 2.26	—

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CWE-434