CVE-2026-48945

Published: Jun 25, 2026Modified: Jun 28, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitability: 3.9 / Impact: 1.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Joomlaworks: K2

Joomlaworks

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Joomlaworks K2	Up to 2.26

Related CWEs

CWE-434

Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (1)

https://www.getk2.org/

Source: security@joomla.org

Product

Timeline

No history available yet.