What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
The RSS Aggregator by Feedzy plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 5.2.1. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site users, potentially stealing session tokens or modifying page content. The vulnerability affects the plugin's feed processing or display functionality.
What an attacker can do
03Attacker Capabilities
Inject JavaScript that runs in other users' browsers to steal data or modify site content.
Potential impact on your site
04Site Impact
Authenticated users can inject malicious scripts affecting other visitors and administrators on your site.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account (e.g., contributor or subscriber role).
Key dates
06Disclosure timeline
July 2, 2026
CVE published
