CVE-2018-18745 : What You Need to Know

A vulnerability related to cross-site scripting (XSS) was found in SEMCMS version 3.4 when accessing admin/SEMCMS_Menu.php?lgid=1 for editing purposes.

Understanding CVE-2018-18745

An XSS issue was discovered in SEMCMS 3.4 via admin/SEMCMS_Menu.php?lgid=1 during editing.

What is CVE-2018-18745?

This CVE identifies a cross-site scripting vulnerability in SEMCMS version 3.4 that can be exploited when accessing a specific URL for editing.

The Impact of CVE-2018-18745

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

Technical Details of CVE-2018-18745

Vulnerability Description

The vulnerability is related to cross-site scripting (XSS) in SEMCMS version 3.4, specifically when accessing admin/SEMCMS_Menu.php?lgid=1 for editing.

Affected Systems and Versions

Affected Product: SEMCMS
Affected Version: 3.4

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the URL parameter lgid=1, allowing an attacker to execute arbitrary code in the context of the admin user.

Mitigation and Prevention

Immediate Steps to Take

Avoid accessing the vulnerable URL for editing until a patch is available.
Implement input validation to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly update SEMCMS to the latest version to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential XSS vulnerabilities.

Patching and Updates

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