Authentication Bypass in SoClever WordPress Plugin

Executive Summary

This vulnerability is an unauthenticated authentication bypass in the Social Login & Sharing buttons with Analytics By SoClever WordPress plugin up to version 1.2.0. It occurs because the plugin fails to implement proper authentication, authorization, or nonce checks in a publicly accessible login handler. Attackers can exploit this to gain a valid session as any user, including administrators, without needing any account details.

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Detection Guidance

Check if the Social Login & Sharing buttons with Analytics By SoClever WordPress plugin version 1.2.0 or below is installed. Look for unauthenticated access attempts to the vulnerable login handler in server logs or network traffic.

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Impact Analysis

An attacker could take over your WordPress site by obtaining an admin session, allowing them to perform administrative actions like installing malicious plugins, stealing data, or defacing the site. They could also impersonate any user, access sensitive information, or modify site content without detection.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and access controls. A breach may result in legal penalties, loss of compliance certifications, and reputational damage due to compromised user information.

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Mitigation Strategies

Immediately update the plugin to the latest version if an update is available. If no update exists, consider disabling the plugin until a patch is released. Review server logs for signs of exploitation and restrict access to the vulnerable login handler if possible.

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