CVE-2021-36563

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The CheckMK management web console (versions 1.5.0 to 2.0.0) does not sanitise user input in various parameters of the WATO module. This allows an attacker to open a backdoor on the device with HTML content and interpreted by the browser (such as JavaScript or other client-side scripts), the XSS payload will be triggered when the user accesses some specific sections of the application. In the same sense a very dangerous potential way would be when an attacker who has the monitor role (not administrator) manages to get a stored XSS to steal the secretAutomation (for the use of the API in administrator mode) and thus be able to create another administrator user who has high privileges on the CheckMK monitoring web console. Another way is that persistent XSS allows an attacker to modify the displayed content or change the victim's information. Successful exploitation requires access to the web management interface, either with valid credentials or with a hijacked session.

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CheckMK management web console 跨站脚本漏洞

CheckMK management web console是一个应用软件。基于Asciidoctor和HTML上自动提供docs.checkmk.com。 CheckMK management web console存在跨站脚本漏洞，该漏洞允许攻击者可利用该漏洞使用HTML内容在设备上打开后门，并由浏览器解释(如JavaScript或其他客户端脚本)，当用户访问应用程序的某些特定部分时，XSS有效负载将被触发。

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