CVE-2026-89000: Unknown Wpematico Rss Feed Fetcher

Medium severity, CVSS 4.1. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Wpematico Rss Feed Fetcher: before 2.8.27 (fixed in 2.8.27)

Published 2026-09-27. Last modified 2026-09-28.