CVE-2022-31738

Description

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-20/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-22/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-21/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1756388 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-31738?
CVE-2022-31738 has been scored as a medium severity vulnerability.
How to fix CVE-2022-31738?
To fix CVE-2022-31738, 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-2022-31738 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-31738 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-2022-31738?
CVE-2022-31738 affects Mozilla Thunderbird, Mozilla Firefox, Mozilla Firefox ESR.
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