{"containers": {"cna": {"affected": [{"product": "html-sanitizer", "vendor": "TYPO3", "versions": [{"status": "affected", "version": ">= 1.0.0, < 1.0.7"}, {"status": "affected", "version": ">= 2.0.0, < 2.0.16"}]}], "descriptions": [{"lang": "en", "value": "The 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. 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