CVE-2021-35210

描述

### Impact It is possible to inject code into the `tl_log` table that will be executed in the browser when the system log is called in the back end. ### Patches Update to Contao 4.9.16 or 4.11.5. ### Workarounds Disable the system log module in the back end for all users (especially admin users). ### References https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021 ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).

如何修補 CVE-2021-35210

要修補 CVE-2021-35210,請將受影響套件升級到下列已修補版本。

• —升級至 4.9.16 或更新版本
• —升級至 4.9.16 或更新版本

CVE-2021-35210 正在被利用嗎?

低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• >= 4.5.0, < 4.9.16
• >= 4.5.0, < 4.9.16

CVSS 分數

參考連結(6)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-35210
• PATCHgithub.com/contao/contao
• WEBcontao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-35210.yaml