CVE-2012-3840: Myclientbase

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in index.php/users/form/user_id in MyClientBase 0.12 allow remote attackers to inject arbitrary web script or HTML via the (1) first_name or (2) last_name parameters.

Affected products

• Myclientbase Myclientbase: version 0.12 only

Published 2012-07-03. Last modified 2026-06-16.