Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.4%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2026-30452
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cpe:2.3:a:textpattern:textpattern:4.9.0