CVE-2020-36751 Explained : Impact and Mitigation

This CVE record pertains to a vulnerability in the Coupon Creator plugin for WordPress that allows for Cross-Site Request Forgery attacks.

Understanding CVE-2020-36751

The Coupon Creator plugin for WordPress is susceptible to CSRF attacks due to missing or incorrect nonce validation.

What is CVE-2020-36751?

The vulnerability in the Coupon Creator plugin for WordPress allows unauthenticated attackers to save meta fields via a forged request by exploiting missing or incorrect nonce validation.

The Impact of CVE-2020-36751

This vulnerability enables attackers to manipulate meta fields on a WordPress site, potentially leading to unauthorized actions being performed.

Technical Details of CVE-2020-36751

The following technical details provide insight into the nature of the vulnerability.

Vulnerability Description

The vulnerability in the Coupon Creator plugin for WordPress arises from inadequate nonce validation on the save_meta() function, facilitating CSRF attacks.

Affected Systems and Versions

Vendor: brianjessee
Product: Coupon Creator
Versions Affected: Up to and including 3.1

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking site administrators into performing actions, such as clicking on malicious links, to save meta fields via forged requests.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-36751, the following steps are recommended:

Immediate Steps to Take

Update the Coupon Creator plugin to version 3.1.1 or higher to mitigate the vulnerability.
Educate site administrators about the risks of CSRF attacks and the importance of verifying actions before performing them.

Long-Term Security Practices

Implement strict validation mechanisms for user actions and inputs to prevent CSRF vulnerabilities.
Regularly monitor and audit plugins and themes for security issues to maintain a secure WordPress environment.

Patching and Updates

Stay informed about security patches and updates for WordPress plugins to promptly address known vulnerabilities.