Executive Summary

This vulnerability is a Cross-Site Request Forgery (CSRF) issue in the Maspik – Ultimate Spam Protection plugin for WordPress, affecting all versions up to and including 2.5.6. It occurs because the plugin does not properly validate nonces on the clear_log function, allowing an attacker to trick a site administrator into performing an unwanted action, such as clearing all spam logs, by sending a forged request.

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Impact Analysis

An attacker can exploit this vulnerability to clear all spam logs on a WordPress site by tricking an administrator into clicking a malicious link. This could result in loss of important spam log data, potentially hiding evidence of spam or malicious activity and making it harder to track or respond to spam attacks.

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Mitigation Strategies

Update the Maspik – Ultimate Spam Protection plugin for WordPress to a version later than 2.5.6 where the nonce validation issue on the clear_log function is fixed. Until then, restrict administrative access and avoid clicking on suspicious links that could trigger the clear_log action.

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