Executive Summary

This vulnerability exists in the Export WP Page to Static HTML & PDF plugin for WordPress, versions up to and including 4.3.4. It involves sensitive information exposure through publicly accessible cookies.txt files that contain authentication cookies. An unauthenticated attacker can access these cookies, which may have been injected into the log file if the site administrator triggered a backup using a specific user role such as 'administrator'.

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Impact Analysis

The vulnerability can allow unauthenticated attackers to obtain authentication cookies, potentially leading to full compromise of the affected WordPress site. This can result in unauthorized access with administrator privileges, allowing attackers to view, modify, or delete sensitive data, disrupt site operations, or perform other malicious actions.

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Compliance Impact

The vulnerability exposes sensitive authentication cookies through publicly accessible cookies.txt files, which can lead to unauthorized access to protected information. Such exposure of sensitive data can result in non-compliance with data protection regulations like GDPR and HIPAA, which mandate the protection of personal and sensitive information against unauthorized access. Therefore, this vulnerability poses a significant risk to compliance with these standards by potentially allowing data breaches involving sensitive user authentication data. [2]

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Detection Guidance

Detection of this vulnerability involves checking for publicly exposed cookies.txt files that contain authentication cookies related to the Export WP Page to Static HTML & PDF plugin. You can scan your web server or backup directories for such files. For example, use commands like 'find /path/to/wordpress -name cookies.txt' to locate exposed cookie files. Additionally, monitoring HTTP requests for unauthorized access attempts to these files or unusual backup triggers by administrator roles can help detect exploitation attempts. [2]

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Mitigation Strategies

Immediate mitigation steps include updating the Export WP Page to Static HTML & PDF plugin to version 5.0.0 or later, which contains the security patch addressing this vulnerability. Additionally, restrict public access to cookies.txt files and backup directories to prevent unauthorized exposure of authentication cookies. Implement proper file permissions and consider disabling or securing backup triggers that can be exploited by unauthorized users. Monitoring and sanitizing inputs, as well as ensuring secure handling of cookies and HTTP requests, are also recommended. [2]

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