CVE-2018-18740 : What You Need to Know

A cross-site scripting (XSS) vulnerability has been identified in SEMCMS 3.4. The vulnerability exists in the initial input field of the admin/SEMCMS_Link.php?lgid=1 URI.

Understanding CVE-2018-18740

An XSS issue was discovered in SEMCMS 3.4 via the first input field to the admin/SEMCMS_Link.php?lgid=1 URI.

What is CVE-2018-18740?

This CVE refers to a cross-site scripting vulnerability found in SEMCMS 3.4, specifically in the input field of the admin/SEMCMS_Link.php?lgid=1 URI.

The Impact of CVE-2018-18740

The vulnerability could allow an attacker to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-18740

Vulnerability Description

The issue stems from inadequate input validation in SEMCMS 3.4, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Affected Version: SEMCMS 3.4

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the input field of the admin/SEMCMS_Link.php?lgid=1 URI, which may execute in the user's browser.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation mechanisms to sanitize user inputs and prevent script injection attacks.
Regularly monitor and audit web application logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate developers on secure coding practices to prevent common web application security issues.

Patching and Updates

Apply patches or updates provided by SEMCMS to address the XSS vulnerability and enhance overall security.