CVE-2026-89003 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Preview

Medium 4.1 Published Updated

Contributors can exploit missing capability checks to force server-side requests to internal hosts and read responses.

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-2026-89003?

CVE-2026-89003 is a medium-severity server-side request forgery vulnerability in Unknown WPeMatico RSS Feed Fetcher, published on 27 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not perform a capability check before fetching a user-supplied URL and rendering the response, allowing users with contributor-level access and above to force the server to issue requests to internal-only hosts and read the responses back.

Weakness: CWE-918

Which versions are affected by CVE-2026-89003?

How do I fix CVE-2026-89003?

No fix has been published for CVE-2026-89003 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-2026-89003 being exploited?

There is no known exploitation of CVE-2026-89003 in the wild and no public exploit code.

Sources

Also known as GHSA-jghr-cfvc-958g.

Is CVE-2026-89003 in your software?

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