Intrusion Prevention

MyBB.Visual.Editor.Post.Video.Stored.XSS

Description

This indicates an attack attempt to exploit a Cross-Site Scripting vulnerability in MyBB.
The vulnerability is due to insufficient sanitizing of user-supplied inputs in the application. A remote attacker may be able to exploit this to execute arbitrary script code within the context of the application.

Affected Products

MyBB before 1.8.19

Impact

System Compromise: Remote attackers can execute arbitrary script code in the context of the affected system.

Recommended Actions

Upgrade to the latest version, available from the web site.
https://community.mybb.com/mods.php?action=changelog&pid=1143

CVE References

CVE-2018-17128