CVE-2026-1890: Unknown Leadconnector

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data

Affected products

• Unknown Leadconnector: before 3.0.22 (fixed in 3.0.22)

Published 2026-03-26. Last modified 2026-06-17.