CVE-2020-18475 : What You Need to Know

A Cross Site Scripting (XSS) vulnerability in Hucart CMS 5.7.4 allows malicious script injection via the mes_title field, leading to code execution when users open emails.

Understanding CVE-2020-18475

This CVE involves a critical XSS vulnerability in Hucart CMS 5.7.4 that can be exploited through email manipulation.

What is CVE-2020-18475?

The vulnerability allows an attacker to insert malicious scripts into email headers, which are executed when the email is opened by recipients.

The Impact of CVE-2020-18475

The exploitation of this vulnerability can result in unauthorized code execution on the recipient's system, potentially leading to further compromise.

Technical Details of CVE-2020-18475

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

Vulnerability Description

The XSS vulnerability in Hucart CMS 5.7.4 enables attackers to embed harmful scripts in email headers, triggering code execution upon email access.

Affected Systems and Versions

Affected Product: Hucart CMS 5.7.4
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attacker inserts malicious script into the header field of an email in the outbox.
Email is sent to other users who, upon opening the email, inadvertently execute the malicious code.

Mitigation and Prevention

Protecting systems from CVE-2020-18475 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable HTML rendering in email clients to prevent script execution.
Implement content security policies to restrict script execution.
Educate users on identifying and avoiding suspicious emails.

Long-Term Security Practices

Regularly update CMS software to patch known vulnerabilities.
Conduct security audits to identify and mitigate XSS risks.

Patching and Updates

Apply patches provided by Hucart CMS to address the XSS vulnerability.