CVE-2026-32986
Medium
Description
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductTextpattern
PublishedMar 20, 2026
First seenMar 20, 2026
Weakness typeCWE-79Cross-site scripting (XSS)CWE-116CWE-116
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| textpattern textpattern | 4.9.0 | — |
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