Vulnerability Details CVE-2026-32986
Textpattern CMS version 4.9.0 contains a second-order cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting improper sanitization of user-supplied input in Atom feed XML elements. Attackers can embed unescaped payloads in parameters such as category that are reflected into Atom fields like and , which execute as JavaScript when feed readers or CMS aggregators consume the feed and insert content into the DOM using unsafe methods.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.7%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2026-32986
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cpe:2.3:a:textpattern:textpattern:4.9.0