CVE-2026-16061: Unknown Rest Routes

High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days.

The Rest Routes WordPress plugin through 5.5.5 does not sanitize and validate a value taken from the URL of one of its public REST routes before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks.

Affected products

• Unknown Rest Routes: up to and including 5.5.5

Published 2026-08-29. Last modified 2026-08-31.