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 ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.
History

Tue, 21 Apr 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Textpattern
Textpattern textpattern
Vendors & Products Textpattern
Textpattern textpattern

Tue, 21 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
Description 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 ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-21T16:32:19.608Z

Reserved: 2026-03-04T00:00:00.000Z

Link: CVE-2026-30452

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-21T17:16:36.303

Modified: 2026-04-21T17:16:36.303

Link: CVE-2026-30452

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-21T17:30:37Z