CVE-2019-14547 : Vulnerability Insights and Analysis

A vulnerability was found in EspoCRM versions preceding 5.6.9, allowing for a stored XSS attack by sending a malicious attachment to the admin.

Understanding CVE-2019-14547

This CVE involves a stored XSS vulnerability in EspoCRM versions prior to 5.6.9, enabling attackers to execute malicious JavaScript.

What is CVE-2019-14547?

This vulnerability in EspoCRM versions before 5.6.9 allows attackers to conduct a stored XSS attack by embedding malicious JavaScript within an attachment's filename. When the admin selects the specific file from the list of attachments, the JavaScript gets executed, potentially compromising user accounts.

The Impact of CVE-2019-14547

The exploitation of this vulnerability could lead to the theft of victims' cookies, enabling attackers to compromise user accounts.

Technical Details of CVE-2019-14547

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in EspoCRM versions preceding 5.6.9 allows for stored XSS attacks by injecting malicious JavaScript into attachment filenames.

Affected Systems and Versions

Product: EspoCRM
Vendor: EspoCRM
Versions affected: Preceding 5.6.9

Exploitation Mechanism

Attackers send an attachment with malicious JavaScript to the admin.
When the admin selects the file, the JavaScript executes, potentially compromising accounts.

Mitigation and Prevention

Protecting systems from CVE-2019-14547 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.
Educate users about the risks of opening attachments from unknown sources.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement content security policies to prevent XSS attacks.

Patching and Updates

Apply patches and updates provided by EspoCRM to fix the vulnerability and enhance system security.