CVE-2018-20464 : Exploit Details and Defense Strategies

CMS Made Simple 2.2.8 admin/myaccount.php is vulnerable to reflected XSS, allowing attackers to obtain user email addresses.

Understanding CVE-2018-20464

This CVE involves a security issue in CMS Made Simple 2.2.8 that can lead to a reflected XSS vulnerability.

What is CVE-2018-20464?

The admin/myaccount.php file in CMS Made Simple 2.2.8 is susceptible to a reflected XSS vulnerability. This flaw occurs when attempting to modify a user's mailbox with an incorrect format, revealing the user's email address in the response.

The Impact of CVE-2018-20464

Attackers can exploit this vulnerability to access sensitive user email addresses.

Technical Details of CVE-2018-20464

Vulnerability Description

The vulnerability in CMS Made Simple 2.2.8 admin/myaccount.php allows for reflected XSS attacks, compromising user email privacy.

Affected Systems and Versions

Product: CMS Made Simple 2.2.8
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability is triggered by attempting to modify a user's mailbox with an incorrect format, leading to the disclosure of the user's email address.

Mitigation and Prevention

Immediate Steps to Take

Avoid modifying user mailboxes with incorrect formats.
Regularly monitor for any suspicious activities related to user email addresses.

Long-Term Security Practices

Implement input validation to prevent XSS attacks.
Educate users on safe email practices to minimize the risk of email exposure.

Patching and Updates

Ensure that CMS Made Simple is updated to the latest version to patch the reflected XSS vulnerability.