Stored Cross-Site Scripting in WP Rocket Plugin by WP Media
CVE-2026-5934

7.2HIGH

Key Information:

Vendor

WordPress
Status
WP Rocket
Vendor
CVE Published:
28 August 2026

What is CVE-2026-5934?

The WP Rocket plugin for WordPress is affected by a Stored Cross-Site Scripting vulnerability when using versions up to and including 3.21.0.1. This flaw stems from improper input sanitization and output escaping of user-generated data via the rocket_beacon AJAX endpoint. Attackers can exploit this vulnerability to inject unauthorized web scripts into pages that will execute when a user visits the compromised page, potentially leading to unauthorized actions and data theft.

Affected Version(s)

WP Rocket 0 <= 3.21.0.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://github.com/wp-media/wp-rocket/releases/tag/v3.21.1

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tin Pham (TF1T)
Trong Pham (dtro)
Hao Ngo
.