CVE-2019-14546 Explained : Impact and Mitigation

A vulnerability was found in EspoCRM prior to version 5.6.9 that allowed for stored cross-site scripting (XSS) attacks.

Understanding CVE-2019-14546

This CVE identifies a stored XSS vulnerability in EspoCRM that could be exploited through the Preference page and email signatures.

What is CVE-2019-14546?

The vulnerability in EspoCRM before version 5.6.9 enabled attackers to execute stored XSS attacks by inserting malicious payloads into the Email Signature field.
By embedding harmful JavaScript code in the email signature, attackers could compromise victim accounts when the email was interacted with.

The Impact of CVE-2019-14546

Attackers could obtain victims' cookies and potentially compromise their accounts by executing malicious JavaScript code.

Technical Details of CVE-2019-14546

This section provides more technical insights into the vulnerability.

Vulnerability Description

Stored XSS vulnerability in EspoCRM before version 5.6.9 allowed attackers to insert malicious JavaScript code into email signatures.

Affected Systems and Versions

EspoCRM versions prior to 5.6.9 are affected by this vulnerability.

Exploitation Mechanism

Attackers exploited the vulnerability by inserting malicious payloads into the Email Signature field, triggering the execution of harmful JavaScript code.

Mitigation and Prevention

Protecting systems from this vulnerability requires specific actions.

Immediate Steps to Take

Upgrade EspoCRM to version 5.6.9 or newer to mitigate the vulnerability.
Avoid interacting with suspicious emails or email signatures.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Educate users on identifying and avoiding phishing emails.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities.