CVE-2018-6943: Ultimatemember

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

core/lib/upload/um-image-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 Ultimatemember: version 2.0 only

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