CVE-2026-48945
Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 25, 2026
- Updated
- Jun 28, 2026
- Reserved
- May 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-434 Unrestricted Upload via archive extraction
Affected Products
| Product | Versions |
|---|---|
K2 extension for Joomlagetk2.org |
|
References
- https://www.getk2.org/product
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