CVE-2026-13252RSS Aggregator by Feedzy <= 5.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'aspectRatio' Attribute

Description

The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'aspectRatio' Attribute in all versions up to, and including, 5.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://www.wordfence.com/threat-intel/vulnerabilities/id/d402b7d1-3c12-4bdd-8ff3-e58d5501f0c0?source=cve
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-adm…
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-adm…
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-adm…
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-adm…
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3586919%40feedzy-rss-feeds&n…