CVE-2026-5934 Cross-site scripting in WP Rocket
Unauthenticated attackers can inject arbitrary scripts via the rocket_beacon endpoint, leading to stored XSS execution for users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5934?
CVE-2026-5934 is a high-severity cross-site scripting vulnerability in WP Rocket, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-5934?
How do I fix CVE-2026-5934?
No fix has been published for CVE-2026-5934 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-5934 being exploited?
There is no known exploitation of CVE-2026-5934 in the wild and no public exploit code.
Sources
Also known as GHSA-62h2-h5j2-2gx8.