CVE-2021-47905: Mybb Delete Account

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.

Affected products

• Mybb Delete Account: version 1.4 only

Published 2026-01-23. Last modified 2026-06-17.