CVE-2024-54367: Ultimatemember Forumwp

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in Ultimate Member ForumWP forumwp allows Object Injection.This issue affects ForumWP: from n/a through <= 2.1.0.

Affected products

• Ultimatemember Forumwp: before 2.1.1 (fixed in 2.1.1)

Published 2024-12-16. Last modified 2026-06-17.