CVE-2023-6871

Description

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.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.16%

Vendor Advisory mozilla.org

Affected: Mozilla Firefox

References

Link	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1828334	issue tracking permissions required
https://security.gentoo.org/glsa/202401-10	third party advisory
https://www.mozilla.org/security/advisories/mfsa2023-56/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-6871?: CVE-2023-6871 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6871?: To fix CVE-2023-6871, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6871 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-6871 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6871?: CVE-2023-6871 affects Mozilla Firefox.

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