CVE-2021-3350: Delete Account Project Delete Account

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

deleteaccount.php in the Delete Account plugin 1.4 for MyBB allows XSS via the deletereason parameter.

Affected products

• Delete Account Project Delete Account: version 1.4 only

Published 2021-02-01. Last modified 2026-06-17.