CVE-2018-6944: Ultimatemember Ultimate Member

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

core/lib/upload/um-file-upload.php in the UltimateMember plugin 2.0 for WordPress has a cross-site scripting vulnerability because it fails to properly sanitize user input passed to the $temp variable.

Affected products

• Ultimatemember Ultimate Member: version 2.0 only

Published 2018-02-16. Last modified 2026-06-17.