CVE-2021-3862 : Vulnerability Insights and Analysis

Cross-site Scripting (XSS) vulnerability in icecoder/icecoder allows attackers to execute malicious scripts on web pages.

Understanding CVE-2021-3862

This CVE relates to a vulnerability in icecoder/icecoder that enables attackers to perform Cross-site Scripting (XSS) attacks.

What is CVE-2021-3862?

icecoder/icecoder is susceptible to improper neutralization of input during web page generation, leading to Cross-site Scripting (XSS) exploitation. Attackers can inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2021-3862

The vulnerability poses a medium severity risk with a CVSS base score of 5.4. It affects confidentiality, integrity, and may require user interaction to exploit. The attack vector is over the network, without impacting availability.

Technical Details of CVE-2021-3862

This section provides specific technical details related to the vulnerability.

Vulnerability Description

The issue arises from improper input validation during web page generation, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

The vulnerability affects versions of icecoder/icecoder prior to version 8.1.

Exploitation Mechanism

Attackers can craft malicious scripts and embed them in input fields, comments, or URLs, leading to script execution when accessed by other users.

Mitigation and Prevention

Protect your systems and users from CVE-2021-3862 using the following strategies.

Immediate Steps to Take

Update icecoder/icecoder to version 8.1 or above to eliminate the vulnerability.
Educate users on identifying and avoiding suspicious links and content.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user-generated content.
Regularly audit code for potential security flaws and vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by icecoder to address known vulnerabilities.