CVE-2019-17551 Explained : Impact and Mitigation

Apak Wholesale Floorplanning Finance versions 6.31.8.3 and 6.31.8.5 are susceptible to a stored XSS vulnerability that allows an attacker to send a harmful payload via a POST request.

Understanding CVE-2019-17551

This CVE involves a security vulnerability in Apak Wholesale Floorplanning Finance versions 6.31.8.3 and 6.31.8.5 that can be exploited through a specific POST request.

What is CVE-2019-17551?

In Apak Wholesale Floorplanning Finance versions 6.31.8.3 and 6.31.8.5, an attacker can execute a stored XSS attack by sending a malicious payload through a POST request to /WFS/agreementView.faces.

The Impact of CVE-2019-17551

Allows an attacker to exploit a stored XSS vulnerability in the Notes section of the application.
Versions 6.31.8.3 and 6.31.8.5 are confirmed to be affected, but other versions with the same vulnerable WYSIWYG editor are also likely to be at risk.

Technical Details of CVE-2019-17551

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for a stored XSS attack via the mainForm:loanNotesnotes:0:rich_text_editor_note_text parameter in the Notes section.

Affected Systems and Versions

Apak Wholesale Floorplanning Finance versions 6.31.8.3 and 6.31.8.5 are confirmed to be affected.
Other versions containing the vulnerable WYSIWYG editor in the Notes section are also likely to be impacted.

Exploitation Mechanism

An attacker can send an authenticated POST request with a malicious payload to /WFS/agreementView.faces to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2019-17551 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to a patched version of Apak Wholesale Floorplanning Finance.
Implement input validation to prevent malicious payloads.
Monitor and filter user inputs to detect and block suspicious activities.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and mitigate risks.

Patching and Updates

Stay informed about security updates and patches released by the vendor.
Apply patches promptly to secure the system against known vulnerabilities.