CVE-2026-12100 URL Preview <= 1.0 - Unauthenticated Server-Side Request Forgery via 'url' Parameter
Unauthenticated attackers can exploit SSRF in the URL Preview plugin to query and modify internal services via the url parameter.
- 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-2026-12100?
CVE-2026-12100 is a high-severity server-side request forgery vulnerability in abhisheksaha11 URL Preview, published on 24 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The URL Preview plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.0 via the 'url' parameter. This makes it possible for unauthenticated attackers 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-2026-12100?
How do I fix CVE-2026-12100?
No fix has been published for CVE-2026-12100 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-2026-12100 being exploited?
There is no known exploitation of CVE-2026-12100 in the wild and no public exploit code.
Sources
Also known as GHSA-mpqw-xp9q-3fpc.