CVE-2019-11886 Explained : Impact and Mitigation

The WaspThemes Visual CSS Style Editor, also known as the yellow-pencil-visual-theme-customizer plugin, version 7.2.1 and below for WordPress, is vulnerable to yp_option_update CSRF, allowing unauthorized admin access.

Understanding CVE-2019-11886

This CVE identifies a security vulnerability in the WaspThemes Visual CSS Style Editor plugin for WordPress.

What is CVE-2019-11886?

The vulnerability in the yellow-pencil-visual-theme-customizer plugin allows attackers to exploit yp_option_update CSRF to gain unauthorized admin access.

The Impact of CVE-2019-11886

Exploiting this vulnerability can lead to unauthorized access to the WordPress admin panel, potentially compromising the entire website.

Technical Details of CVE-2019-11886

The technical aspects of this CVE are crucial for understanding the nature of the vulnerability.

Vulnerability Description

The WaspThemes Visual CSS Style Editor plugin version 7.2.1 and below for WordPress is susceptible to yp_option_update CSRF, enabling attackers to gain unauthorized admin access.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: 7.2.1 and below

Exploitation Mechanism

Attackers can exploit this vulnerability by using yp_remote_get to execute actions that lead to unauthorized admin access.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are essential to mitigate the risks associated with CVE-2019-11886.

Immediate Steps to Take

Disable or remove the yellow-pencil-visual-theme-customizer plugin if not essential for website functionality.
Monitor website activity for any suspicious behavior.
Implement strong password policies for admin accounts.

Long-Term Security Practices

Regularly update WordPress and all installed plugins to the latest versions.
Conduct security audits and penetration testing to identify and address vulnerabilities.
Educate website administrators on best security practices.

Patching and Updates

Ensure that the WaspThemes Visual CSS Style Editor plugin is updated to a secure version that addresses the yp_option_update CSRF vulnerability.