CVE-2026-45118 | MyBB up to 1.8.39 Contact contact.php redirect from

August 18, 2026 Yanac

A vulnerability categorized as problematic has been discovered in MyBB up to 1.8.39. Affected by this vulnerability is the function redirect of the file contact.php of the component Contact Module. Executing a manipulation of the argument from can lead to open redirect.

This vulnerability appears as CVE-2026-45118. The attack may be performed from remote. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More