CVE-2019-9957 : Vulnerability Insights and Analysis

A vulnerability in Quadbase EspressReport ES (ERES) v7.0 update 7 allows remote attackers to execute malicious JavaScript and inject arbitrary source code into target pages.

Understanding CVE-2019-9957

What is CVE-2019-9957?

Quadbase EspressReport ES (ERES) v7.0 update 7 is susceptible to Stored Cross-Site Scripting (XSS) attacks, enabling attackers to insert harmful scripts into affected pages.

The Impact of CVE-2019-9957

This vulnerability permits remote attackers to execute malicious JavaScript and inject arbitrary source code into the affected pages, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2019-9957

Vulnerability Description

Attackers can store XSS payloads by creating a new user account with the payload as the username.
Activation of the stored payload requires access to specific pages like "Set Security Levels" or "View User/Group Relationships."

Affected Systems and Versions

Quadbase EspressReport ES (ERES) v7.0 update 7

Exploitation Mechanism

Attackers exploit the vulnerability by creating a new user account with an XSS payload as the username.
Accessing certain pages triggers the stored payload.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation to sanitize user inputs and prevent script injection.
Regularly monitor and restrict user privileges to minimize the impact of potential attacks.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users on safe browsing practices and the importance of strong passwords.

Patching and Updates

Apply security patches and updates provided by Quadbase to address the vulnerability and enhance system security.