CVE-2021-40555 : What You Need to Know

This CVE record pertains to a Cross-Site Scripting (XSS) vulnerability in flatCore-CMS 2.2.15.

Understanding CVE-2021-40555

This section will provide insights into the nature of the vulnerability.

What is CVE-2021-40555?

CVE-2021-40555 is a security flaw in flatCore-CMS 2.2.15 that enables malicious actors to execute arbitrary code through the description field on the new page creation form.

The Impact of CVE-2021-40555

The presence of this vulnerability poses a significant security risk as it allows attackers to perform code execution on the affected system, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2021-40555

In this section, we will delve into the technical aspects of the CVE.

Vulnerability Description

The XSS vulnerability in flatCore-CMS 2.2.15 arises from improper input validation on the description field, enabling attackers to inject and execute malicious code.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Affected Version: 2.2.15

Exploitation Mechanism

The exploit occurs when attackers input malicious code into the description field of the new page creation form, permitting the execution of unauthorized scripts on the system.

Mitigation and Prevention

This section will outline steps to mitigate and prevent exploitation of this vulnerability.

Immediate Steps to Take

Disable the affected functionality if not required
Implement input sanitization to filter out malicious code
Monitor and filter user-generated content for potential threats

Long-Term Security Practices

Regularly update the flatCore-CMS to the latest version
Conduct security audits and penetration testing to identify and address vulnerabilities
Educate users about safe coding practices and the risks associated with XSS attacks

Patching and Updates

Developers of flatCore-CMS should release a patch that addresses the XSS vulnerability to ensure the security of the platform.