CVE-2026-32986 Textpattern CMS 4.9.0: Second-Order XSS via Atom Feed Injection

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 th...