CVE-2020-12412

Description

By navigating a tab using the history API, an attacker could cause the address bar to display the incorrect domain (with the https:// scheme, a blocked port number such as '1', and without a lock icon) while controlling the page contents. This vulnerability affects Firefox < 70.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.28%

Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

References

Link	Tags
https://www.mozilla.org/security/advisories/mfsa2019-34/	vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1528587	issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12412?: CVE-2020-12412 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12412?: To fix CVE-2020-12412, 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-2020-12412 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-12412 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-2020-12412?: CVE-2020-12412 affects Mozilla Firefox.

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