CVE-2026-48945
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| getk2.org | K2 extension for Joomla | 1.0-2.26 | affected |
Weaknesses
- CWE-434: CWE-434 Unrestricted Upload via archive extraction
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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