PT-2026-33199 · WordPress · Wp Youtube Lyte

Published 2026-04-16 · Updated 2026-04-16 · CVE-2026-3299

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WP YouTube Lyte versions prior to 1.7.30

Description The WP YouTube Lyte plugin for WordPress contains a Stored Cross-Site Scripting issue. This occurs due to insufficient input sanitization and output escaping on user supplied attributes within the 'lyte' shortcode. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts into pages, which then execute when a user visits the affected page.

Recommendations Update to a version later than 1.7.29.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-3299

Affected Products

Wp Youtube Lyte

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-3299 · Security Note
• https://twitter.com/VulmonFeeds/status/2044646115115421822 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/de09d051-d124-4397-bd1c-b193acd6c186?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3482595/wp-youtube-lyte · Note