Patreon WordPress Plugin Open Redirect Vulnerability

Executive Summary

The Patreon WordPress plugin before version 1.10.0 has an open redirect vulnerability. It fails to validate a user-supplied redirect destination, allowing unauthenticated attackers to redirect visitors to arbitrary external URLs via a crafted link. This can be exploited for phishing attacks.

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Detection Guidance

Check the installed version of the Patreon WordPress plugin. If it is version 1.10.0 or earlier, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files directly.

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Impact Analysis

This vulnerability allows attackers to trick users into visiting malicious websites by redirecting them from a trusted Patreon WordPress plugin page. Users may unknowingly disclose sensitive information or download malware.

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Compliance Impact

This vulnerability could indirectly impact compliance with GDPR or HIPAA by enabling phishing attacks that may lead to unauthorized data access or disclosure. Open redirects can trick users into revealing credentials or sensitive information, violating privacy requirements under these regulations.

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Mitigation Strategies

Update the Patreon WordPress plugin to version 1.10.0 or later immediately. Remove or disable the plugin if an update is not available. Monitor for suspicious redirect attempts in server logs.

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