Stored Cross-Site Scripting in WP YouTube Video Optimizer by WordPress
CVE-2025-4217

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
WP Youtube Video Optimizer
Vendor
CVE Published:
21 May 2025

What is CVE-2025-4217?

The WP YouTube Video Optimizer plugin for WordPress is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability due to inadequate input sanitization and output escaping on user-supplied attributes through the 'ib_youtube' shortcode. This flaw allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever another user accesses any compromised page, posing a significant threat to user security and data integrity.

Affected Version(s)

WP YouTube Video Optimizer * <= 1.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wp-youtube-vid...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gilang Asra Bilhadi
.