CVE-2026-54416
Pluck CMS - Unrestricted File Upload via Missing .php8 Extension in Upload Blacklist
- State
- Published
- Severity
- 7.2 High
- Published
- Aug 5, 2026
- Updated
- Aug 10, 2026
- Reserved
- Jun 13, 2026
Description
Pluck CMS through 4.7.21 restricts dangerous file uploads in its admin file-management feature using a fixed blacklist in data/inc/files.php ('.php','php3','php4','php5','php6','php7','phtml','.phtm','.pht','.ph3','.ph4','.ph5','.asp','.cgi','.phar'), checked against the last 4-5 characters of the filename.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | TuranSec |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
Pluck CMSpluck-cms |
|
References
- https://github.com/pluck-cms/pluckthird-party-advisory
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