CVE-2018-14486 Explained : Impact and Mitigation

DNN (formerly DotNetNuke) version 9.1.1 is susceptible to cross-site scripting (XSS) vulnerabilities due to XML functionality.

Understanding CVE-2018-14486

This CVE identifies a security issue in DNN version 9.1.1 that allows for XSS attacks through XML.

What is CVE-2018-14486?

DNN (DotNetNuke) 9.1.1 is exposed to cross-site scripting (XSS) threats via XML, potentially enabling malicious actors to execute scripts in users' browsers.

The Impact of CVE-2018-14486

The vulnerability could lead to unauthorized access, data theft, and the execution of malicious scripts on affected systems, compromising user security and system integrity.

Technical Details of CVE-2018-14486

Dive into the specifics of this CVE.

Vulnerability Description

The XML functionality in DNN 9.1.1 allows for cross-site scripting (XSS) attacks, posing a significant security risk to users and systems.

Affected Systems and Versions

Product: DNN (DotNetNuke)
Version: 9.1.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into XML data, which, when processed by the application, can execute in users' browsers.

Mitigation and Prevention

Learn how to address and prevent this security issue.

Immediate Steps to Take

Update DNN to a patched version that addresses the XSS vulnerability.
Implement web application firewalls to filter and block malicious traffic.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Educate developers and users on secure coding practices and the risks of XSS attacks.

Patching and Updates

Stay informed about security advisories and updates from DNN to promptly apply patches that mitigate known vulnerabilities.