Cross site scripting via canonical tag in Contao

中 6.1CVE-2022-24899 · GHSA-m8x6-6r63-qvj2 · 06/05/2022 公開 · 17/06/2026 更新

要点

CVE-2022-24899 は contao/contao, contao/core-bundle, contao (contao) 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）：4.5%（全脆弱性の 91.5% より高い）。
対処：4.13.3 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
contao/contao Packagist	`≥ 4.13.0, < 4.13.3`	`4.13.3`
contao/core-bundle Packagist	`≥ 4.13.0, < 4.13.3`	`4.13.3`
contao contao	`≥ 4.13.0, ≤ 4.13.2`	修正版なし

概要

Impact

Untrusted users can inject malicious code into the canonical tag, which is then executed on the web page (front end).

Patches

Update to Contao 4.13.3.

Workarounds

Disable canonical tags in the root page settings.

References

https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

NVD の説明

Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings.