What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-02 · updated 2026-07-02
• Weakness: CWE-79

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.

Affected products

• themeisle RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator: through 5.2.1

References

• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L1453
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L1700
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L423
• https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L624
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3586919%40feedzy-rss-feeds&new=3586919%40feedzy-rss-feeds&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d402b7d1-3c12-4bdd-8ff3-e58d5501f0c0?source=cve

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