CVE-2022-43708: Mybb

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

MyBB 1.8.31 has a (issue 2 of 2) cross-site scripting (XSS) vulnerabilities in the post Attachments interface allow attackers to inject HTML by persuading the user to upload a file with specially crafted name

Affected products

• Mybb Mybb: before 1.8.32 (fixed in 1.8.32)

Published 2022-11-22. Last modified 2026-06-17.