CVE-2026-48946
6.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
The K2 frontend article-attachment upload path accepts files whose extension is .php, and Apache's standard mod_php matches \.php$ and executes them under the K2 web user. A K2 Author can upload a shell.php, then fetch /media/k2/attachments/shell.php and execute arbitrary PHP code in the web server's context.
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 of File with Dangerous Type
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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