CVE-2019-20519 : Exploit Details and Defense Strategies

A vulnerability has been discovered in ERPNext 11.1.47 that allows for the execution of reflected cross-site scripting (XSS) attacks by manipulating the PATH_INFO within the user/ URI.

Understanding CVE-2019-20519

This CVE identifies a security flaw in ERPNext 11.1.47 that enables attackers to conduct reflected XSS attacks through crafted e-mail addresses.

What is CVE-2019-20519?

The vulnerability in ERPNext 11.1.47 permits the execution of reflected cross-site scripting (XSS) attacks by exploiting the PATH_INFO in the user/ URI.

The Impact of CVE-2019-20519

The vulnerability poses a high severity risk with a CVSS base score of 7.4, allowing attackers to compromise the confidentiality of affected systems.

Technical Details of CVE-2019-20519

ERPNext 11.1.47 is susceptible to the following:

Vulnerability Description

Reflected XSS vulnerability via the PATH_INFO in the user/ URI

Affected Systems and Versions

Product: ERPNext 11.1.47
Vendor: n/a
Version: n/a

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Changed

Mitigation and Prevention

Taking immediate action and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2019-20519.

Immediate Steps to Take

Apply security patches provided by the vendor
Educate users about the risks of clicking on suspicious links or emails
Implement input validation to prevent XSS attacks

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities
Conduct security assessments and penetration testing
Monitor and analyze web traffic for unusual patterns

Patching and Updates

Stay informed about security updates from ERPNext
Apply patches promptly to protect systems from known vulnerabilities