CVE-2022-31744

Description

An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-26/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-20/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1757604 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-31744?
CVE-2022-31744 has been scored as a medium severity vulnerability.
How to fix CVE-2022-31744?
To fix CVE-2022-31744, 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-2022-31744 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-31744 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-2022-31744?
CVE-2022-31744 affects Mozilla Firefox ESR, Mozilla Thunderbird, Mozilla Firefox.
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