CVE-2022-36020

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Summary

CVECVE-2022-36020
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-13 17:15:00 UTC
Updated2022-09-16 02:36:00 UTC
DescriptionThe typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. Due to a parsing issue in the upstream package `masterminds/html5`, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows for a bypass of the cross-site scripting mechanism of `typo3/html-sanitizer`. This issue has been addressed in versions 1.0.7 and 2.0.16 of the `typo3/html-sanitizer` package. Users are advised to upgrade. There are no known workarounds for this issue.

Risk And Classification

Problem Types: CWE-79

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Typo3 Html Sanitizer All All All All

References

ReferenceSourceLinkTags
typo3/html-sanitizer - Packagist MISC packagist.org
[SECURITY] Correctly handle comment end bang state (#86) · TYPO3/html-sanitizer@60bfdc7 · GitHub MISC github.com
masterminds/html5 - Packagist MISC packagist.org
By-passing Cross-Site Scripting Protection in HTML Sanitizer · Advisory · TYPO3/html-sanitizer · GitHub CONFIRM github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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