CVE-2026-96533 Testimonials Widget <= 4.0.4 - Unauthenticated SSRF via Featured Image URL

Medium 5.8 Published Updated

Unauthenticated attackers can exploit a lack of URL validation in the Testimonials Widget plugin to perform Server-Side Request Forgery and read internal service responses.

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-2026-96533?

CVE-2026-96533 is a medium-severity server-side request forgery vulnerability in Unknown Testimonials Widget, published on 26 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Testimonials Widget WordPress plugin through 4.0.4 does not validate a user-supplied URL before fetching it server-side and storing the response as a public file, allowing unauthenticated users to make the server issue requests to internal services and read the responses.

Weakness: CWE-918

Which versions are affected by CVE-2026-96533?

How do I fix CVE-2026-96533?

No fix has been published for CVE-2026-96533 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-2026-96533 being exploited?

There is no known exploitation of CVE-2026-96533 in the wild and no public exploit code.

Sources

Also known as GHSA-q79h-jpvh-784j.

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