Unauthenticated SSRF in StreamCast <= 2.4.5

Executive Summary

This is an unauthenticated Server Side Request Forgery (SSRF) vulnerability in the StreamCast WordPress plugin versions 2.4.5 and below. It allows attackers to trick the server into making unauthorized requests to internal systems, potentially exposing sensitive data behind firewalls.

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Detection Guidance

To detect SSRF vulnerabilities like CVE-2026-62030 in StreamCast, monitor server logs for unusual outbound requests to internal IP ranges or unexpected domains. Use tools like curl to test if the plugin makes unauthorized requests: curl -v http://your-site.com/wp-content/plugins/streamcast/?param=http://internal-server. Check for responses from internal services or sensitive data leaks.

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Impact Analysis

An attacker could exploit this to access internal systems, leak confidential data, or perform unauthorized actions on behalf of the server. Since no authentication is required, the risk is higher as any user can potentially trigger the vulnerability.

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Compliance Impact

This SSRF vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's security requirements for safeguarding sensitive information. Non-compliance may result in legal penalties or reputational damage.

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Mitigation Strategies

Immediately disable or remove the StreamCast plugin if unused. If required, restrict outbound network access for the web server to prevent SSRF attacks. Contact your hosting provider or developer to apply mitigations like input validation or firewall rules. Monitor for suspicious activity and consider alternative plugins until an official patch is released.

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