CVE-2021-37390 : What You Need to Know

A Chamilo LMS 1.11.14 reflected XSS vulnerability has been identified in the main/social/search.php=q URI, specifically within the social network search feature.

Understanding CVE-2021-37390

This CVE involves a security issue in Chamilo LMS 1.11.14 that allows for reflected XSS attacks.

What is CVE-2021-37390?

CVE-2021-37390 is a vulnerability in Chamilo LMS 1.11.14 that enables attackers to execute malicious scripts in the context of an unsuspecting user's browser.

The Impact of CVE-2021-37390

Exploitation of this vulnerability could lead to unauthorized access to sensitive information, cookie theft, session hijacking, and other malicious activities.

Technical Details of CVE-2021-37390

This section provides more insight into the specifics of the CVE.

Vulnerability Description

The vulnerability exists in the main/social/search.php=q URI, which is part of the social network search functionality within Chamilo LMS 1.11.14.

Affected Systems and Versions

Chamilo LMS 1.11.14 is the specific version impacted by this vulnerability.

Exploitation Mechanism

Attackers can craft a malicious link that, when clicked by a user, executes unauthorized scripts in the user's browser through the vulnerable URI.

Mitigation and Prevention

To protect systems from CVE-2021-37390, immediate actions and long-term security measures should be implemented.

Immediate Steps to Take

Users are advised to avoid clicking on untrusted links and to be cautious while accessing the social network search feature in Chamilo LMS 1.11.14.

Long-Term Security Practices

Regular security training, strict input validation, and the use of web application firewalls can help mitigate the risk of XSS vulnerabilities like CVE-2021-37390.

Patching and Updates

It is crucial to apply security patches provided by Chamilo promptly to eliminate the vulnerability and protect systems from potential exploitation.