Security Advisory

CVE-2024-9398

5.3
MEDIUM

Vulnerability Description

By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
Published Date October 1, 2024
Official Source NIST NVD Advisory