Can you explain this vulnerability to me?

This vulnerability is a Reflected Cross-Site Scripting (XSS) issue in the Qwizcards WordPress plugin (up to version 3.9.4). It occurs because the plugin does not properly sanitise and escape the '_stylesheet' parameter before outputting it back on the page. This allows an attacker to inject malicious scripts that can be executed in the context of users who view the affected page.

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How can this vulnerability impact me? :

The vulnerability can be exploited to execute malicious scripts in the browsers of high privilege users such as administrators or other users. This could lead to unauthorized actions, theft of sensitive information, session hijacking, or other malicious activities performed with the privileges of the affected user.

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