CVE-2026-12037 Server-side request forgery in Asset CleanUp: Page Speed Booster

Medium 5.5 Published Updated

Administrators can exploit SSRF in Asset CleanUp plugin to access internal services when specific settings are enabled.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12037?

CVE-2026-12037 is a medium-severity server-side request forgery vulnerability in gabelivan Asset CleanUp: Page Speed Booster, published on 25 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Asset CleanUp: Page Speed Booster plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.0.5 via the 'page_url' parameter. This makes it possible for authenticated attackers, with administrator-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. This vulnerability is only reachable when the plugin's dom_get_type setting has been configured to 'wp_remote_post' by an administrator.

Weakness: CWE-918

Which versions are affected by CVE-2026-12037?

How do I fix CVE-2026-12037?

No fix has been published for CVE-2026-12037 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-2026-12037 being exploited?

There is no known exploitation of CVE-2026-12037 in the wild and no public exploit code.

Sources

Also known as GHSA-g4cp-fj5c-7599.

Is CVE-2026-12037 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free