CVE-2026-54416CWE-434unrestricted-file-upload

CVE-2026-54416

High · published August 5, 2026

CVSS v3.1
7.2
EPSS
0%
Percentile
41.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00499 · 41.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-08-05T12:16Z
References (1)
https://github.com/pluck-cms/pluck · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
EPSS history
Timeline
  • 05 AUG 06:58Z
    Pluck CMS - Unrestricted File Upload via Missing .php8 Extension in Upload Blacklist
    cvelistv5