CVE-2018-18783 : Security Advisory and Response

A cross-site scripting (XSS) vulnerability was identified in SEMCMS V3.4 through the semcms_remail.php?type=ok umail parameter.

Understanding CVE-2018-18783

A vulnerability in SEMCMS V3.4 that allows for cross-site scripting attacks.

What is CVE-2018-18783?

This CVE refers to a specific XSS vulnerability found in SEMCMS V3.4 through a particular parameter.

The Impact of CVE-2018-18783

The vulnerability could allow attackers to execute malicious scripts on the victim's browser, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2018-18783

Details about the vulnerability in SEMCMS V3.4.

Vulnerability Description

The XSS flaw in SEMCMS V3.4 is present in the semcms_remail.php?type=ok umail parameter, enabling attackers to inject and execute scripts.

Affected Systems and Versions

Product: SEMCMS V3.4
Vendor: Not specified
Versions: Not specified

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious scripts through the specific parameter, potentially compromising user data.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-18783 vulnerability.

Immediate Steps to Take

Disable or sanitize user inputs to prevent script injection.
Implement Content Security Policy (CSP) to mitigate XSS risks.

Long-Term Security Practices

Regularly update and patch SEMCMS to address security vulnerabilities.
Conduct security audits and penetration testing to identify and remediate potential XSS issues.

Patching and Updates

Apply patches or updates provided by SEMCMS to fix the XSS vulnerability.