CVE-2026-66704 WordPress Gutenverse Companion plugin <= 2.5.1 - Server Side Request Forgery (SSRF) vulnerability
Unauthenticated attackers can exploit an SSRF vulnerability in the Gutenverse Companion plugin to access internal resources or bypass security controls.
- 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-2026-66704?
CVE-2026-66704 is a high-severity server-side request forgery vulnerability in Jegstudio Gutenverse Companion, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Server Side Request Forgery (SSRF) in Gutenverse Companion <= 2.5.1 versions.
Weakness: CWE-918
Which versions are affected by CVE-2026-66704?
How do I fix CVE-2026-66704?
No fix has been published for CVE-2026-66704 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-66704 being exploited?
There is no known exploitation of CVE-2026-66704 in the wild and no public exploit code.
Sources
Also known as GHSA-gm8j-6gpx-2vcr.