CVE-2026-4509

medium

Description

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.

References

https://vuldb.com/?submit.773901

https://vuldb.com/?id.352075

https://vuldb.com/?ctiid.352075

https://github.com/zzj-create/cvetest/blob/main/VULN-04_DANGEROUS_FILE_UPLOAD_REPORT_EN.md

Details

Source: Mitre, NVD

Published: 2026-03-21

Updated: 2026-03-21

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.00048