CVE-2026-32986
Textpattern CMS 4.9.0: Second-Order XSS via Atom Feed Injection
Summary
Textpattern CMS 4.9.0: Second-Order XSS via Atom Feed Injection
Original description
The description as published by the source.
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.
References
- advisory github.com
- advisory nvd.nist.gov
- report packetstorm.news
- web textpattern.com