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OpenAdvisories
High · 7.2 CVE-2026-54416 EUVD-2026-53192GHSA-fvwx-9qcr-crph

Pluck CMS - Unrestricted File Upload via Missing .php8 Extension in Upload Blacklist

Published Aug 5, 2026 · Updated Aug 10, 2026 · Assigned by TuranSec

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.

Affected products

VendorProductAffectedFixed
pluck-cms Pluck CMS ≤ 4.7.21 —

References