CVE-2024-9398

MediumCVSS 5.3/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 1, 2024
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2024-9398: Medium severity, CVSS 5.3 | Vulnix