Stored SSRF in WPeMatico RSS Feed Fetcher WordPress Plugin

Executive Summary

This is a Server-Side Request Forgery (SSRF) vulnerability in the WPeMatico RSS Feed Fetcher WordPress plugin before version 2.8.27. It allows users with contributor-level access or higher to supply a feed URL that the server fetches without validating the destination or checking user capabilities. This can force the server to make requests to internal resources and read responses, potentially exposing sensitive information.

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Detection Guidance

Check if the WPeMatico RSS Feed Fetcher plugin version is below 2.8.27. Logs may show unusual server-side requests to internal resources. Review user roles with contributor access or higher for suspicious feed URL submissions.

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Impact Analysis

Attackers with contributor-level access or higher could exploit this to make the server access internal resources and leak sensitive data. This includes internal network services, configuration files, or other restricted information. The impact depends on the server's internal setup and exposed resources.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR (data protection) or HIPAA (health information privacy) if such data is exposed. Compliance may be impacted if the breach results in data leaks or unauthorized access to regulated information.

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Mitigation Strategies

Update the WPeMatico RSS Feed Fetcher plugin to version 2.8.27 or later immediately. Restrict contributor-level and higher user roles to prevent unauthorized feed URL submissions. Monitor server logs for unusual internal requests.

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