CVE-2026-110530
The FeedWordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2026.0517 via syndicated RSS/Atom feed co…
Impact
The FeedWordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2026.0517 via syndicated RSS/Atom feed content. The plugin's SyndicatedPost::sanitize_content() function only strips the 'target' attribute (the lines that would strip 'style' and 'on[a-z]+' event-handler attributes are commented out), and SyndicatedPost::insert_post() deliberately removes WordPress's wp_filter_kses and wp_filter_post_kses filters from content_save_pre before persisting imported feed items via wp_insert_post(). This makes it possible for unauthenticated attackers who control an external feed that a site has already subscribed to to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Radgeek | FeedWordPress | through 2026.0517 Version 0 ≤2026.0517 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-cr3r-cx3j-65fh
- https://nvd.nist.gov/vuln/detail/CVE-2026-110530
- https://plugins.trac.wordpress.org/browser/feedwordpress
- https://plugins.trac.wordpress.org/browser/feedwordpress/tags/2026.0517/syndicatedpost.class.php#L1196
- https://plugins.trac.wordpress.org/browser/feedwordpress/tags/2026.0517/syndicatedpost.class.php#L1726
- https://plugins.trac.wordpress.org/browser/feedwordpress/tags/2026.0517/syndicatedpost.class.php#L395
- https://plugins.trac.wordpress.org/browser/feedwordpress/tags/2026.1016/syndicatedpost.class.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cad2334c-21f5-40bc-8b08-32c12ce1e077?source=cve
- https://plugins.trac.wordpress.org/browser/feedwordpress/