CVE-2025-14144: Mstoic Shortcodes

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Mstoic Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'start' parameter of the ms_youtube_embeds shortcode in all versions up to, and including, 2.0 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

• Mstoic Mstoic Shortcodes: up to and including 2.0

Published 2026-01-07. Last modified 2026-06-17.