TYPO3 HTML Sanitizer Bypasses Cross-Site Scripting Protection

中 6.1CVE-2022-36020 · GHSA-47m6-46mj-p235 · 13/09/2022 公開 · 17/06/2026 更新

要点

CVE-2022-36020 は typo3/cms, typo3/cms-core, typo3/html-sanitizer に影響する深刻度「中」 (CVSS 6.1) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.82%（全脆弱性の 57.4% より高い）。
対処：10.4.32, 11.5.16, 1.0.7, 2.0.16 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
typo3/cms Packagist	`≥ 10.0.0, < 10.4.32≥ 11.0.0, < 11.5.16`	`10.4.3211.5.16`
typo3/cms-core Packagist	`≥ 10.0.0, < 10.4.32≥ 11.0.0, < 11.5.16`	`10.4.3211.5.16`
typo3/html-sanitizer Packagist	`≥ 1.0.0, < 1.0.7≥ 2.0.0, < 2.0.16`	`1.0.72.0.16`
html sanitizer typo3	`≥ 1.0.0, < 1.0.7≥ 2.0.0, < 2.0.16`	`1.0.72.0.16`

概要

Meta

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C (5.7)

Problem

Due to a parsing issue in upstream package masterminds/html5, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows to by-pass the cross-site scripting mechanism of typo3/html-sanitizer.

Solution

Update to typo3/html-sanitizer versions 1.0.7 or 2.0.16 that fix the problem described.

Credits

Thanks to David Klein who reported this issue, and to TYPO3 security team member Oliver Hader who fixed the issue.

NVD の説明

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. There are no known workarounds for this issue.