CVE-2015-4519: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.7% chance of exploitation in the next 30 days.

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow user-assisted remote attackers to bypass intended access restrictions and discover a redirect's target URL via crafted JavaScript code that executes after a drag-and-drop action of an image into a TEXTBOX element.

Affected products

• Mozilla Firefox: version 38.0 only; version 38.0.1 only; version 38.0.5 only; version 38.1.0 only; version 38.1.1 only; version 38.2.0 only; …

Published 2015-09-24. Last modified 2026-06-17.