CVE-2026-89000 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Run
Contributors can exploit missing validation in WPeMatico RSS Feed Fetcher to perform Server-Side Request Forgery and access internal resources.
- 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-2026-89000?
CVE-2026-89000 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 or validate the destination of a user-supplied feed URL before fetching it server-side, allowing users with contributor-level access and above to make the server issue requests to internal-only resources and read the responses back.
Weakness: CWE-918
Which versions are affected by CVE-2026-89000?
How do I fix CVE-2026-89000?
No fix has been published for CVE-2026-89000 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-2026-89000 being exploited?
There is no known exploitation of CVE-2026-89000 in the wild and no public exploit code.
Sources
Also known as GHSA-x8xr-q2j9-gfc2.