Subscriber Broken Access Control in TemplateSpare <= 4.2.2

Executive Summary

This is a Broken Access Control vulnerability in the WordPress TemplateSpare Plugin versions 4.2.2 and below. It allows unprivileged users with a Subscriber role to perform actions that require higher privileges due to missing authorization, authentication, or nonce token checks.

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Detection Guidance

Check if the TemplateSpare plugin version 4.2.2 or below is installed on your WordPress site. Review user roles and permissions for unauthorized access attempts. Monitor logs for unusual subscriber activity or privilege escalation.

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Impact Analysis

The impact is considered low severity but attackers could exploit it in mass campaigns targeting many websites. Unprivileged users might gain unauthorized access to perform privileged actions, potentially leading to data exposure or unauthorized modifications.

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Mitigation Strategies

Update the TemplateSpare plugin to the latest version if available. If no patch exists, consider disabling the plugin or restricting subscriber roles. Contact your hosting provider or developer for mitigation support.

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