CVE-2026-86837: Unknown Bookly

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.

Affected products

• Unknown Bookly: before 28.3 (fixed in 28.3)

Published 2026-09-25. Last modified 2026-09-25.