CVE-2018-12382: Mozilla Firefox

Medium severity, CVSS 5.3. EPSS: 1.7% chance of exploitation in the next 30 days.

The displayed addressbar URL can be spoofed on Firefox for Android using a javascript: URI in concert with JavaScript to insert text before the loaded domain name, scrolling the loaded domain out of view to the right. This can lead to user confusion. *This vulnerability only affects Firefox for Android < 62.*

Affected products

• Mozilla Firefox: version 62.0 only

Published 2018-10-18. Last modified 2026-06-17.