CVE-2019-14549 : Exploit Details and Defense Strategies

A vulnerability was found in EspoCRM up to version 5.6.9, allowing Stored Cross-Site Scripting (XSS) attacks that could lead to the theft of user cookies.

Understanding CVE-2019-14549

This CVE identifies a security issue in EspoCRM versions prior to 5.6.9 that enables attackers to execute malicious scripts through specific entity values.

What is CVE-2019-14549?

The vulnerability in EspoCRM up to version 5.6.9 allows for Stored Cross-Site Scripting (XSS) attacks within the title and breadcrumb of newly created entities, accessible to all users. Attackers can inject harmful JavaScript into these values, potentially compromising user cookies.

The Impact of CVE-2019-14549

Exploiting this vulnerability could result in unauthorized access to user cookies, potentially leading to further security breaches or unauthorized actions on the affected system.

Technical Details of CVE-2019-14549

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows for Stored Cross-Site Scripting (XSS) attacks within the title and breadcrumb of newly created entities in EspoCRM versions prior to 5.6.9.

Affected Systems and Versions

Product: EspoCRM
Vendor: N/A
Versions affected: Up to version 5.6.9

Exploitation Mechanism

Attackers inject malicious JavaScript into entity values
Malicious scripts execute when users access the publicly available link

Mitigation and Prevention

Protecting systems from CVE-2019-14549 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update EspoCRM to version 5.6.9 or later to mitigate the vulnerability
Regularly monitor and audit entity values for suspicious content

Long-Term Security Practices

Implement input validation mechanisms to prevent XSS attacks
Educate users on safe browsing practices and the risks of executing unknown scripts

Patching and Updates

Apply security patches promptly to address known vulnerabilities