CVE-2018-7893 : Security Advisory and Response

CMS Made Simple (CMSMS) 2.2.6's admin/moduleinterface.php is vulnerable to stored XSS.

Understanding CVE-2018-7893

This CVE involves a stored XSS vulnerability in CMS Made Simple (CMSMS) 2.2.6.

What is CVE-2018-7893?

The metadata parameter in CMS Made Simple (CMSMS) 2.2.6's admin/moduleinterface.php is susceptible to stored XSS attacks, allowing malicious actors to inject and execute malicious scripts.

The Impact of CVE-2018-7893

This vulnerability could lead to unauthorized access, data theft, and potential compromise of the affected system.

Technical Details of CVE-2018-7893

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability exists in the metadata parameter of CMS Made Simple (CMSMS) 2.2.6's admin/moduleinterface.php, enabling attackers to store and execute malicious scripts.

Affected Systems and Versions

Product: CMS Made Simple (CMSMS) 2.2.6
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the metadata parameter, which are then stored and executed within the CMSMS environment.

Mitigation and Prevention

Protecting systems from CVE-2018-7893 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable or restrict access to the affected module or parameter.
Implement input validation and sanitization to prevent script injection.
Regularly monitor and audit system logs for any suspicious activities.

Long-Term Security Practices

Keep CMSMS and all associated modules up to date with the latest security patches.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate users and administrators on secure coding practices and the risks of XSS attacks.

Patching and Updates

Ensure timely installation of patches and updates released by CMS Made Simple to address the vulnerability and enhance system security.