What is GHSA-x8xr-q2j9-gfc2?

GHSA-x8xr-q2j9-gfc2 is a security advisory published by GitHub Security Advisories with Medium severity. The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not perform a capability check...

Which CVE IDs does GHSA-x8xr-q2j9-gfc2 cover?

GHSA-x8xr-q2j9-gfc2 covers the following CVE IDs: CVE-2026-89000. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x8xr-q2j9-gfc2?

GHSA-x8xr-q2j9-gfc2 has a CVSS v3 base score of 4.1, published by GitHub Security Advisories.

GHSA-x8xr-q2j9-gfc2MediumCVSS 4.1

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not perform a capability check...

Vendor

GitHub Security Advisories

Published

September 27, 2026

Last Modified

September 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-89000 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-89000
https://wpscan.com/vulnerability/2622b685-d2a9-4bb5-aeef-3aa4ca7adcc4
https://github.com/advisories/GHSA-x8xr-q2j9-gfc2