CVE-2026-5934
HighCVSS 7.2Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
The WP Rocket plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) in versions up to and including 3.21.0.1. This is due to insufficient input sanitization and output escaping of user-supplied data via the rocket_beacon AJAX endpoint. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Risk Assessment
An unauthenticated attacker can inject malicious scripts on pages, potentially leading to data theft, session hijacking, or other malicious actions.
Recommendation
Update the WP Rocket plugin to a version newer than 3.21.0.1 that contains the fix for this vulnerability.
Other vulnerabilities in WP Rocket
See all- CVE-2026-97075Medium
The WP Rocket plugin for WordPress (versions before 3.23.5) contains a Missing Authorization vulnerability caused by incorrectly configured access control security levels. This allows exploitation of improperly configured security mechanisms.
- CVE-2026-97076High
Executable Regular Expression Error vulnerability in WP Media WP Rocket wp-rocket allows Code Injection. This issue affects WP Rocket: from n/a before 3.23.5.
Original NVD description (English source)
The WP Rocket plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.21.0.1. This is due to insufficient input sanitization and output escaping of user-supplied data via the rocket_beacon AJAX endpoint. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS