CVE-2019-15841 Explained : Impact and Mitigation

The version of the facebook-for-woocommerce plugin for WordPress, prior to 1.9.15, contains a Cross-Site Request Forgery (CSRF) vulnerability that can be exploited through specific functions.

Understanding CVE-2019-15841

This CVE identifies a CSRF vulnerability in the facebook-for-woocommerce plugin for WordPress.

What is CVE-2019-15841?

The facebook-for-woocommerce plugin before version 1.9.15 for WordPress is susceptible to CSRF attacks via certain functions.

The Impact of CVE-2019-15841

This vulnerability could allow attackers to perform unauthorized actions on behalf of authenticated users, leading to potential data breaches or manipulation.

Technical Details of CVE-2019-15841

The technical aspects of this CVE are as follows:

Vulnerability Description

The CSRF vulnerability exists in the ajax_woo_infobanner_post_click, ajax_woo_infobanner_post_xout, or ajax_fb_toggle_visibility functions.

Affected Systems and Versions

Affected Product: facebook-for-woocommerce plugin
Vulnerable Versions: Versions prior to 1.9.15

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking authenticated users into executing unintended actions via the mentioned plugin functions.

Mitigation and Prevention

Protect your system from CVE-2019-15841 with the following measures:

Immediate Steps to Take

Update the facebook-for-woocommerce plugin to version 1.9.15 or newer.
Monitor and restrict access to sensitive functions within the plugin.

Long-Term Security Practices

Implement CSRF tokens to validate and authenticate user requests.
Regularly audit and review plugins for security vulnerabilities.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply patches promptly to mitigate risks.