CVE-2026-4509CWE-183CWE-184

PbootCMS File Upload file.php incomplete blacklist

Medium · published March 21, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
32.4
In the wild
Unconfirmed
What it is

A security flaw has been discovered in PbootCMS up to 3.2.12. This affects an unknown function of the file core/function/file.php of the component File Upload. The manipulation of the argument black results in incomplete blacklist. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00393 · 32.4th percentile
Weaknesses
CWE-183 · Permissive List of Allowed Inputs; CWE-184 · Incomplete List of Disallowed Inputs
Published
2026-03-21T06:02Z
EPSS history
Timeline
  • 21 MAR 06:02Z
    PbootCMS File Upload file.php incomplete blacklist
    cvelistv5