CVE-2020-7104 : Exploit Details and Defense Strategies

The chained-quiz plugin 1.1.8.1 for WordPress is vulnerable to reflected XSS via the wp-admin/admin-ajax.php total_questions parameter.

Understanding CVE-2020-7104

This CVE involves a security vulnerability in the chained-quiz plugin for WordPress that allows for reflected XSS attacks.

What is CVE-2020-7104?

The chained-quiz plugin 1.1.8.1 for WordPress has a security issue that enables attackers to execute malicious scripts through the total_questions parameter in wp-admin/admin-ajax.php.

The Impact of CVE-2020-7104

This vulnerability could be exploited by malicious actors to execute arbitrary scripts in the context of the victim's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-7104

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability in the chained-quiz plugin 1.1.8.1 for WordPress allows for reflected XSS attacks through the total_questions parameter in wp-admin/admin-ajax.php.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the total_questions parameter, which are then executed when the parameter is processed.

Mitigation and Prevention

Protecting against CVE-2020-7104 requires immediate action and long-term security practices.

Immediate Steps to Take

Disable or remove the chained-quiz plugin if not essential
Implement input validation and output encoding to prevent XSS attacks
Regularly monitor and update WordPress plugins

Long-Term Security Practices

Educate users on safe browsing habits and recognizing phishing attempts
Conduct regular security assessments and penetration testing

Patching and Updates

Check for plugin updates and apply patches promptly to address security vulnerabilities