CVE-2019-14548 : Security Advisory and Response

EspoCRM prior to version 5.6.9 is vulnerable to stored Cross-Site Scripting (XSS) attacks, allowing attackers to execute malicious scripts when victims open articles received via email.

Understanding CVE-2019-14548

EspoCRM before version 5.6.9 is susceptible to a stored XSS vulnerability that can be exploited through the Knowledge Base feature.

What is CVE-2019-14548?

This vulnerability in EspoCRM allows attackers to inject malicious JavaScript code into articles, potentially compromising victim accounts when the articles are accessed.

The Impact of CVE-2019-14548

Attackers can execute stored XSS attacks through articles received via email
Compromise victim accounts by stealing cookies

Technical Details of CVE-2019-14548

EspoCRM vulnerability details and affected systems.

Vulnerability Description

Stored XSS vulnerability in EspoCRM before version 5.6.9
Exploitable through the creation of articles using the Knowledge Base feature

Affected Systems and Versions

Product: EspoCRM
Versions affected: Prior to 5.6.9

Exploitation Mechanism

Attacker injects malicious JavaScript into the body of an article
Victims' cookies can be stolen, leading to account compromise

Mitigation and Prevention

Protecting systems from CVE-2019-14548.

Immediate Steps to Take

Update EspoCRM to version 5.6.9 or later
Avoid opening articles from unknown or untrusted sources

Long-Term Security Practices

Regularly educate users on identifying and avoiding phishing emails
Implement content security policies to mitigate XSS attacks

Patching and Updates

Apply security patches promptly to prevent exploitation of vulnerabilities