Bypassing User Confirmation in Mozilla Firefox Add-on Installation

CVE-2015-4498 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to bypass an intended user-confirmation requirement by constructing a crafted data: URL and triggering navigation to an arbitrary http: or https: URL at a certain early point in the installation process.

Learn more about our Cis Benchmark Audit For Mozilla Firefox.