CVE-2020-8771: Wptimecapsule Wp Time Capsule

Critical severity, CVSS 9.8. EPSS: 46.5% chance of exploitation in the next 30 days.

The Time Capsule plugin before 1.21.16 for WordPress has an authentication bypass. Any request containing IWP_JSON_PREFIX causes the client to be logged in as the first account on the list of administrator accounts.

Affected products

• Wptimecapsule Wp Time Capsule: before 1.21.16 (fixed in 1.21.16)

Published 2020-02-06. Last modified 2026-06-17.