CVE-2026-11370 WP Meta SEO <= 4.5.18 - Authenticated (Contributor+) Server-Side Request Forgery via 'new_link' Parameter

Medium 6.4 Published Updated

Authenticated contributors can exploit SSRF in WP Meta SEO to access internal services and cloud metadata via the new_link parameter.

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-2026-11370?

CVE-2026-11370 is a medium-severity server-side request forgery vulnerability in joomunited WP Meta SEO, published on 24 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The WP Meta SEO plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.5.18 via the 'new_link' parameter. 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. The HTTP response status from outbound requests is reflected back in the AJAX JSON response as status_code, providing an enumeration oracle usable for probing internal hosts and cloud metadata services.

Weakness: CWE-918

Which versions are affected by CVE-2026-11370?

How do I fix CVE-2026-11370?

No fix has been published for CVE-2026-11370 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-2026-11370 being exploited?

There is no known exploitation of CVE-2026-11370 in the wild and no public exploit code.

Sources

Also known as GHSA-pcx4-v3rh-gq5x.

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