CVE-2019-3579: Mybb

Medium severity, CVSS 5.3. EPSS: 1.5% chance of exploitation in the next 30 days.

MyBB 1.8.19 allows remote attackers to obtain sensitive information because it discloses the username upon receiving a password-reset request that lacks the code parameter.

Affected products

• Mybb Mybb: version 1.8.19 only

Published 2019-06-06. Last modified 2026-06-17.