CVE-2021-41175 : What You Need to Know

Pi-hole's Web interface based on AdminLTE before version 5.8 allows for a stored XSS vulnerability when adding a client via the groups-clients management page. This could lead to high confidentiality and integrity impacts.

Understanding CVE-2021-41175

Pi-hole's Web interface is prone to stored cross-site scripting (XSS) on the groups-clients management page before version 5.8.

What is CVE-2021-41175?

The vulnerability arises in Pi-hole's Web interface, specifically the client groups management process.

The Impact of CVE-2021-41175

Attackers can exploit the XSS vulnerability to execute malicious scripts in the context of an authenticated user, potentially compromising sensitive data and system integrity.

Technical Details of CVE-2021-41175

AdminLTE's version prior to 5.8 is affected by this vulnerability.

Vulnerability Description

This flaw allows for the insertion of malicious scripts by an authenticated attacker during the addition of a client.

Affected Systems and Versions

AdminLTE versions before 5.8 are vulnerable to this stored XSS issue.

Exploitation Mechanism

An attacker with access to the groups-clients management page can inject malicious scripts when adding a client, leading to potential XSS attacks.

Mitigation and Prevention

It is crucial to take immediate action to secure systems against this vulnerability.

Immediate Steps to Take

Upgrade to version 5.8 of AdminLTE to mitigate the stored XSS vulnerability.

Long-Term Security Practices

Regularly monitor and update web interfaces and applications to prevent security incidents.
Educate users on safe browsing practices to minimize the risk of XSS attacks.

Patching and Updates

Apply patches promptly and stay informed about security advisories to address vulnerabilities in a timely manner.