CVE-2019-14350 : What You Need to Know

EspoCRM 5.6.4 is vulnerable to stored XSS attacks due to inadequate filtration of user-input data in the Knowledge base, potentially allowing malicious JavaScript injection.

Understanding CVE-2019-14350

This CVE identifies a security vulnerability in EspoCRM 5.6.4 that can be exploited by attackers to execute stored XSS attacks.

What is CVE-2019-14350?

The lack of proper filtration of user-input data in the Knowledge base of EspoCRM 5.6.4 makes it susceptible to stored XSS attacks. This vulnerability allows a malicious attacker to inject JavaScript code into the body parameter while creating a knowledge-base record through the api/v1/KnowledgeBaseArticle endpoint.

The Impact of CVE-2019-14350

Malicious attackers can inject and execute arbitrary JavaScript code within the EspoCRM system, potentially compromising user data and system integrity.

Technical Details of CVE-2019-14350

EspoCRM 5.6.4's vulnerability to stored XSS attacks can have significant implications for system security.

Vulnerability Description

The vulnerability arises from the failure to properly filter user-supplied data in the Knowledge base of EspoCRM 5.6.4, enabling attackers to insert malicious JavaScript code.

Affected Systems and Versions

Affected Version: 5.6.4
Product: EspoCRM

Exploitation Mechanism

Attackers exploit the vulnerability by injecting JavaScript code into the body parameter during the creation of a knowledge-base record via the api/v1/KnowledgeBaseArticle endpoint.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-14350.

Immediate Steps to Take

Update EspoCRM to a patched version that addresses the XSS vulnerability.
Educate users on safe data handling practices to prevent XSS attacks.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS vulnerabilities.
Regularly monitor and audit the application for security flaws.

Patching and Updates

Apply security patches provided by EspoCRM promptly to address the vulnerability and enhance system security.