Unauthenticated XSS in Charitable Plugin

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting the WordPress Charitable Plugin versions up to and including 1.8.12.3. It allows attackers to inject malicious scripts into web pages viewed by users. The vulnerability requires a privileged user to interact with a malicious link or form submission to trigger the attack.

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Detection Guidance

To detect this XSS vulnerability in the Charitable plugin, check the installed version of the plugin. If it is 1.8.12.3 or lower, the system is vulnerable. Use WordPress admin panel or FTP to inspect the plugin version. Patchstack also offers a mitigation rule to block attacks until the plugin is updated.

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Impact Analysis

Attackers can exploit this to steal visitor data, hijack user accounts, or perform actions on behalf of users. The impact includes potential data breaches, unauthorized access, and compromised user sessions. The CVSS score of 7.1 indicates a moderate to high risk of exploitation in mass campaigns.

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Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR and HIPAA requirements for protecting user data. Organizations could face fines or penalties for failing to secure sensitive information due to this XSS flaw.

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Mitigation Strategies

Immediately update the Charitable plugin to version 1.8.13 or later. If updating is not possible right away, apply Patchstack's mitigation rule to block exploitation attempts until the update is completed.

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