CVE-2022-31743: XSS
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 101 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 101 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 101.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 101.0-r0
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2022-31743?
CVE-2022-31743 has a moderate severity rating due to the potential for HTML comment escaping.
How do I fix CVE-2022-31743?
To remediate CVE-2022-31743, upgrade to Mozilla Firefox version 101 or later.
What impact does CVE-2022-31743 have on web security?
CVE-2022-31743 can lead to XSS vulnerabilities by allowing attackers to manipulate HTML comments.
Which versions of Firefox are affected by CVE-2022-31743?
CVE-2022-31743 affects all versions of Mozilla Firefox prior to version 101.
Is there a workaround for CVE-2022-31743?
There is no known workaround for CVE-2022-31743 other than upgrading to a secure version of Firefox.