Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

Related CVEs

CVE-2023-6871

Key Information

GHSA ID

GHSA-43mg-g32w-94qf

Published

December 19, 2023 3:30 PM

Last Modified

December 22, 2023 12:31 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 12, 2025 6:34 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.