CVE-2021-36572 : Vulnerability Insights and Analysis

A Cross Site Scripting (XSS) vulnerability in Feehi CMS thru 2.1.1 allows attackers to run arbitrary code via the user name field of the login page.

Understanding CVE-2021-36572

Feehi CMS version 2.1.1 and prior contain a critical XSS vulnerability that can be exploited by attackers to execute malicious code through the user name field on the login page.

What is CVE-2021-36572?

CVE-2021-36572 is a Cross Site Scripting (XSS) vulnerability found in Feehi CMS version 2.1.1 and earlier. This security flaw enables threat actors to inject and execute arbitrary code via the user name input on the login page, potentially leading to unauthorized access or other malicious activities.

The Impact of CVE-2021-36572

Exploitation of this vulnerability could result in unauthorized access to the CMS system, data breaches, server takeover, and other serious security risks. Attackers can manipulate the user name field to execute code within the context of the victim's session, posing a significant threat to the confidentiality, integrity, and availability of the system.

Technical Details of CVE-2021-36572

The technical aspects of CVE-2021-36572 include:

Vulnerability Description

The XSS vulnerability in Feehi CMS version 2.1.1 allows attackers to insert and execute arbitrary code through the user name field on the login page, exploiting the lack of input validation or sanitization.

Affected Systems and Versions

Feehi CMS versions up to 2.1.1 are impacted by this security flaw. Users of these versions are advised to take immediate action to mitigate the risk of exploitation.

Exploitation Mechanism

Threat actors can exploit CVE-2021-36572 by entering malicious code into the user name input of the login page. Upon successful execution, the attacker can perform a variety of malicious actions, jeopardizing the security of the CMS and its data.

Mitigation and Prevention

To protect systems from CVE-2021-36572, it is essential to follow these security measures:

Immediate Steps to Take

Update Feehi CMS to the latest version that includes a patch for the XSS vulnerability.
Implement input validation and output encoding to prevent XSS attacks.
Monitor login attempts and user inputs for any suspicious activity.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments on the CMS platform.
Educate users about the risks of XSS attacks and best practices for secure coding.

Patching and Updates

Stay informed about security advisories and updates released by Feehi CMS.
Apply patches and updates promptly to address known security vulnerabilities and improve system security.