CVE-2020-36750 : What You Need to Know

CVE-2020-36750 is a vulnerability found in the EWWW Image Optimizer plugin for WordPress, allowing unauthenticated attackers to perform bulk image optimization through a forged request. The issue exists in versions up to and including 5.8.1 due to missing or incorrect nonce validation.

Understanding CVE-2020-36750

The vulnerability allows attackers to exploit Cross-Site Request Forgery (CSRF) in the EWWW Image Optimizer plugin for WordPress.

What is CVE-2020-36750?

The EWWW Image Optimizer plugin for WordPress is susceptible to CSRF attacks in versions up to 5.8.1, enabling unauthorized users to manipulate image optimization processes.

The Impact of CVE-2020-36750

The vulnerability permits unauthenticated attackers to trigger bulk image optimization by deceiving site administrators into executing actions like clicking on malicious links.

Technical Details of CVE-2020-36750

The technical aspects of the CVE-2020-36750 vulnerability are as follows:

Vulnerability Description

The flaw arises from inadequate nonce validation in the ewww_ngg_bulk_init() function, facilitating CSRF attacks.

Affected Systems and Versions

Vendor: nosilver4u
Product: EWWW Image Optimizer
Versions Affected: Up to and including 5.8.1

Exploitation Mechanism

Attackers can exploit the vulnerability by tricking site administrators into initiating bulk image optimization through forged requests.

Mitigation and Prevention

To address CVE-2020-36750, consider the following steps:

Immediate Steps to Take

Update the EWWW Image Optimizer plugin to a version beyond 5.8.1.
Implement strict access controls to prevent unauthorized actions.

Long-Term Security Practices

Educate users on recognizing and avoiding CSRF attacks.
Regularly monitor and audit plugin security.

Patching and Updates

Apply security patches promptly to mitigate known vulnerabilities.