CVE-2022-42927

Description

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via `performance.getEntries()`. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.16%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1789128 issue tracking permissions required
https://www.mozilla.org/security/advisories/mfsa2022-44/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-45/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-46/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-42927?
CVE-2022-42927 has been scored as a high severity vulnerability.
How to fix CVE-2022-42927?
To fix CVE-2022-42927, 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-2022-42927 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-42927 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-2022-42927?
CVE-2022-42927 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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