CVE-2021-25106 Explained : Impact and Mitigation

This article provides details about CVE-2021-25106, a vulnerability in the Privacy Policy Generator, Terms & Conditions Generator WordPress Plugin : WPLegalPages before version 2.7.1.

Understanding CVE-2021-25106

CVE-2021-25106 is a security flaw in the WPLegalPages WordPress plugin that allows authenticated users, such as subscribers, to update settings due to flawed CSRF logic and lack of sanitization, leading to Stored Cross-Site Scripting.

What is CVE-2021-25106?

The vulnerability in the WPLegalPages WordPress plugin before version 2.7.1 allows any authenticated user, including subscribers, to update settings due to flawed CSRF logic and lack of proper sanitization, potentially resulting in Stored Cross-Site Scripting attacks.

The Impact of CVE-2021-25106

The vulnerability could be exploited by attackers to inject malicious scripts into the plugin settings, leading to Stored Cross-Site Scripting attacks. This could compromise the security and integrity of the affected WordPress websites.

Technical Details of CVE-2021-25106

This section discusses the technical aspects of the CVE-2021-25106 vulnerability.

Vulnerability Description

The flaw in the WPLegalPages WordPress plugin allows any authenticated user to update settings due to flawed CSRF logic and inadequate sanitization, enabling Stored Cross-Site Scripting attacks.

Affected Systems and Versions

Versions of the WPLegalPages WordPress plugin before 2.7.1 are affected by this vulnerability, specifically version 2.7.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the flawed CSRF logic and lack of sanitization in the plugin settings to inject and execute arbitrary scripts on the affected WordPress websites.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-25106, users and administrators are advised to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Users should update the WPLegalPages WordPress plugin to version 2.7.1 or newer to prevent exploitation of the vulnerability. Additionally, users are recommended to review and restrict plugin access to authorized personnel only.

Long-Term Security Practices

In the long run, users should regularly update plugins and software, implement security best practices such as input validation and output encoding, and conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Developers of the WPLegalPages WordPress plugin have released version 2.7.1 to address the vulnerability. Users should promptly update to the latest version to patch the security flaw and protect their WordPress websites from potential exploits.