[ CVE-2026-89288 · Published 14 Oct 2026 ]
Vulnerability in Unknown Fast Courier
CVSS 8.6
EPSS <1%No fix listed yet
[ Description ]Official description
The Fast Courier WordPress plugin before 5.2.4 does not sanitize and escape a value before using it in a SQL query on an unauthenticated REST route, allowing unauthenticated attackers to perform SQL injection and read arbitrary data from the database.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.