CVE-2019-15771 Explained : Impact and Mitigation

WordPress nd-shortcodes plugin before version 6.0 allows unauthorized modification of siteurl configuration through a specific AJAX action.

Understanding CVE-2019-15771

This CVE involves a vulnerability in the nd-shortcodes plugin for WordPress that could be exploited to alter siteurl settings.

What is CVE-2019-15771?

The WordPress nd-shortcodes plugin prior to version 6.0 contains an AJAX action named "nopriv_" that permits unauthorized changes to the siteurl configuration.

The Impact of CVE-2019-15771

This vulnerability could be leveraged by attackers to manipulate siteurl settings, potentially leading to unauthorized access or other malicious activities.

Technical Details of CVE-2019-15771

The technical aspects of the CVE-2019-15771 vulnerability are as follows:

Vulnerability Description

The nd-shortcodes plugin before version 6.0 for WordPress features an AJAX action, nopriv_, that allows for the modification of the siteurl setting.

Affected Systems and Versions

Affected Product: WordPress nd-shortcodes plugin
Affected Version: Prior to 6.0

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted request to the nopriv_ AJAX action, enabling unauthorized changes to the siteurl configuration.

Mitigation and Prevention

To address CVE-2019-15771 and enhance overall security, consider the following mitigation strategies:

Immediate Steps to Take

Disable or remove the vulnerable nd-shortcodes plugin if not essential.
Monitor siteurl configuration changes for any unauthorized modifications.

Long-Term Security Practices

Regularly update WordPress plugins and themes to the latest versions.
Implement strong access controls and authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply patches or updates provided by the plugin developer to fix the vulnerability and enhance security.