CVE-2017-11651 Explained : Impact and Mitigation

NexusPHP V1.5 version contains a cross-site scripting (XSS) vulnerability that can be exploited through a javascript: or data: URL within a UBBCode url tag.

Understanding CVE-2017-11651

This CVE entry describes a specific vulnerability in NexusPHP V1.5 that allows for XSS attacks.

What is CVE-2017-11651?

The CVE-2017-11651 vulnerability involves the potential for malicious actors to execute cross-site scripting attacks by inserting a javascript: or data: URL within a UBBCode url tag in NexusPHP V1.5.

The Impact of CVE-2017-11651

This vulnerability could lead to unauthorized access to sensitive information, cookie theft, session hijacking, defacement of web pages, and other malicious activities.

Technical Details of CVE-2017-11651

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in NexusPHP V1.5 allows attackers to inject malicious scripts through specially crafted URLs, potentially leading to XSS attacks.

Affected Systems and Versions

Product: NexusPHP V1.5
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by inserting a javascript: or data: URL within a UBBCode url tag in the affected NexusPHP V1.5 version.

Mitigation and Prevention

Protecting systems from CVE-2017-11651 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the execution of scripts from untrusted sources in web browsers.
Regularly monitor and sanitize user inputs to prevent script injection.
Implement Content Security Policy (CSP) to mitigate XSS risks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Stay informed about security updates and patches for NexusPHP and related software.

Patching and Updates

Apply patches and updates provided by NexusPHP to address the XSS vulnerability in V1.5.