CVE-2018-19918 : Security Advisory and Response

CuppaCMS has a Cross-Site Scripting (XSS) vulnerability when an SVG document is uploaded to a specific URI.

Understanding CVE-2018-19918

This CVE involves a security issue in CuppaCMS related to XSS vulnerabilities.

What is CVE-2018-19918?

The vulnerability in CuppaCMS allows for XSS attacks when uploading an SVG document to a particular URI within the system.

The Impact of CVE-2018-19918

This vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-19918

CuppaCMS is affected by a specific XSS vulnerability when handling SVG documents.

Vulnerability Description

The XSS vulnerability occurs when an SVG document is uploaded to the URI administrator/#/component/table_manager/view/cu_views in CuppaCMS.

Affected Systems and Versions

Product: CuppaCMS
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a malicious SVG document to the specified URI, enabling them to execute arbitrary scripts.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-19918.

Immediate Steps to Take

Disable SVG uploads in CuppaCMS if not essential for operations.
Implement input validation mechanisms to sanitize user-uploaded content.
Regularly monitor and audit the system for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep systems and software up to date with the latest security patches and updates.

Patching and Updates

Stay informed about security advisories and updates from CuppaCMS to apply relevant patches promptly.