CVE-2023-4841: Smashballoon Feeds For YouTube

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Smashballoon Feeds For YouTube: up to and including 2.1

Published 2023-09-14. Last modified 2026-06-17.