CVE-2026-2948 Server-side request forgery in Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem

Medium 6.4 Published Updated

Authenticated contributors can exploit SSRF in Gutenverse plugin to query and modify internal services via arbitrary web requests.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2948?

CVE-2026-2948 is a medium-severity server-side request forgery vulnerability in jegstudio Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem, published on 5 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Server-Side Request Forgery in versions up to, and including, 3.5.3 via the import_images() function. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Weakness: CWE-918

Which versions are affected by CVE-2026-2948?

How do I fix CVE-2026-2948?

No fix has been published for CVE-2026-2948 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-2026-2948 being exploited?

There is no known exploitation of CVE-2026-2948 in the wild and no public exploit code.

Sources

Also known as GHSA-hw9f-7c29-3p62.

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