CVE-2016-1937: Mozilla Firefox

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

The protocol-handler dialog in Mozilla Firefox before 44.0 allows remote attackers to conduct clickjacking attacks via a crafted web site that triggers a single-click action in a situation where a double-click action was intended.

Affected products

• Mozilla Firefox: up to and including 43.0.4
• Opensuse Leap: version 42.1 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2016-01-31. Last modified 2026-06-17.