CVSS 3.1 Score 4.3 of 10 (medium)


Published Dec 19, 2023
Updated: Feb 2, 2024


CVE-2023-6871 is a vulnerability that affects Firefox versions prior to 121. Under certain conditions, Firefox fails to display a warning when a user tries to navigate to a new protocol handler. The vulnerability has a base severity rating of MEDIUM and a base score of 4.3 according to the National Vulnerability Database (NVD). It requires user interaction and has an exploitability score of 2.8. The impact of this vulnerability is considered low, as it only affects integrity and not confidentiality. Remediation for this vulnerability involves updating Firefox to version 121 or later. Organizations should be aware of the potential danger this vulnerability poses, as it could be exploited by attackers over the network if users are tricked into navigating to malicious websites or handlers.

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