What’s Vulnerable › Vulnerabilities

CVE-2025-6692: YouTube Embed <= 10.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via instance Parameter

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-29 · updated 2026-06-17
• Weakness: CWE-79

Description

The YouTube Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘instance’ parameter in all versions up to, and including, 10.3 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

• hanucodes YouTube Embed – YouTube Gallery, Vimeo Gallery – WordPress Plugin: through 10.3

References

• https://wordpress.org/plugins/youram-youtube-embed/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/cf558c77-fc78-4149-bc7f-2b5353144daf?source=cve

Get alerted when CVE-2025-6692 or the next vulnerability affects your stack