CVE-2026-54416 — Pluck CMS - Unrestricted File Upload via Missing .php8 Extension in Upload Blacklist

CVE-2026-54416

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
pluck-cms / Pluck CMS	affected 0 through 4.7.21

CWE

CWE-434

References

https://github.com/pluck-cms/pluck

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.