Unauthenticated XSS in Youzify Plugin

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the Youzify WordPress plugin versions up to and including 1.3.7. It allows attackers to inject malicious scripts into web pages viewed by users without needing authentication. The vulnerability has a CVSS score of 7.1, indicating moderate severity.

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Detection Guidance

This vulnerability is specific to the Youzify WordPress plugin versions <= 1.3.7. To detect it, check if you are running an affected version of the plugin. You can do this by inspecting the plugin files or using WordPress admin panel to view the installed version. No specific commands are provided in the context for detection.

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Impact Analysis

Attackers could exploit this to steal visitor data, hijack user accounts, or perform actions on behalf of users. Successful exploitation requires user interaction, such as clicking a malicious link or visiting a crafted page. The impact includes potential data breaches and unauthorized account access.

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Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR and HIPAA compliance requirements. Organizations using the affected plugin may face legal penalties, reputational damage, and increased scrutiny from regulators due to potential unauthorized access to sensitive user data.

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Mitigation Strategies

Immediate actions include updating the Youzify plugin to the latest version if available. If no patch exists, apply the mitigation rule provided by Patchstack to block attacks. Alternatively, seek assistance from a hosting provider or developer. Disable the plugin temporarily if an update is not possible.

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