CVE-2026-89001: Unknown Wpematico Rss Feed Fetcher

Medium severity, CVSS 4.9. EPSS: 0.2% chance of exploitation in the next 30 days.

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not verify that a user running a feed campaign is permitted to publish content or to attribute posts to another account, allowing users with contributor-level access and above to publish posts live and set any registered user, including an administrator, as the post author.

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.