What is CVE-2026-30452?

CVE-2026-30452 is a medium-severity vulnerability in Textpattern, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-04-21.

How severe is CVE-2026-30452?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Textpattern

CVE-2026-30452

Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article…

EPSS: 0.000 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Textpattern — versions 4.9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org (Product)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2026-30452?: CVE-2026-30452 is a medium-severity vulnerability in Textpattern, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-04-21.
How severe is CVE-2026-30452?: Medium severity. CVSS v3 base score is 6.5 out of 10.