PT-2022-23120

CVE-2022-36020

Published

2022-09-13

Updated

2022-09-16

Description by

CVSS 3.1

6.1

Medium

MetricsAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions typo3/html-sanitizer versions prior to 1.0.7 typo3/html-sanitizer versions prior to 2.0.16

Description The typo3/html-sanitizer package, an HTML sanitizer written in PHP, has a parsing issue due to the upstream package masterminds/html5. This issue allows malicious markup used in a sequence with special HTML comments to bypass the cross-site scripting mechanism.

Recommendations For versions prior to 1.0.7, update to version 1.0.7 to resolve the issue. For versions prior to 2.0.16, update to version 2.0.16 to resolve the issue.

Exploitability

Exploit

Fix

Impacts

Researchers

David Klein

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers

CVE-2022-36020