CVE-2022-31743

Description

Firefox's HTML parser did not correctly interpret HTML comment tags, resulting in an incongruity with other browsers. This could have been used to escape HTML comments on pages that put user-controlled data in them. This vulnerability affects Firefox < 101.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.31%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-20/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1747388 vendor advisory issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2022-31743?
CVE-2022-31743 has been scored as a medium severity vulnerability.
How to fix CVE-2022-31743?
To fix CVE-2022-31743, 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-2022-31743 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-31743 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-2022-31743?
CVE-2022-31743 affects Mozilla Firefox.
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