CVE-2017-16781: Mybb

Medium severity, CVSS 5.4. EPSS: 1.6% chance of exploitation in the next 30 days.

The installer in MyBB before 1.8.13 has XSS.

Affected products

• Mybb Mybb: up to and including 1.8.12

Published 2017-11-10. Last modified 2026-06-17.