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CVE-2022-31743

6.5 · MEDIUM

Firefox's HTML parser did not correctly interpret HTML comment tags, resulting in an incongruity with other browsers.

Published Dec 22, 2022CWE-79EPSS 0.44%

Overview

CVE-2022-31743 is a medium-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1747388Refwww.mozilla.org/security/advisories/mfsa2022-20/Refbugzilla.mozilla.org/show_bug.cgi?id=1747388Refwww.mozilla.org/security/advisories/mfsa2022-20/Refbugzilla.mozilla.org/show_bug.cgi?id=1747388

How CyberStrike helps

Frequently asked questions

What is CVE-2022-31743?

CVE-2022-31743 is a medium-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2022-31743?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-31743?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-31743?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-31743 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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