CVE-2026-89005 – The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.26 does not sanitise and escape

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.26 does not sanitise and escape one of its campaign configuration fields when a certain feature is enabled, which allows users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute in the session of any higher-privileged user who later views the campaign.