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6.4
WP YouTube Lyte plugin: Malicious scripts can be injected via YouTube videos
CVE-2026-3299
Summary
The WP YouTube Lyte plugin for WordPress has a security issue that allows an attacker with contributor-level access to inject malicious code into websites using the plugin. This can cause problems for website visitors if they access the affected pages. To protect your site, update to a newer version of the plugin.
Original title
The WP YouTube Lyte plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'lyte' shortcode in all versions up to, and including, 1.7.29 due to insufficient input saniti...
Original description
The WP YouTube Lyte plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'lyte' shortcode in all versions up to, and including, 1.7.29 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 16 Apr 2026 · Updated: 16 Apr 2026 · First seen: 16 Apr 2026