CVE-2026-86710: Unknown Login With Qr

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The Login with QR WordPress plugin through 1.0.0 does not verify that the code used to log a user in is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.

Affected products

• Unknown Login With Qr: up to and including 1.0.0

Published 2026-09-17. Last modified 2026-09-18.