CVE-2020-10191 Explained : Impact and Mitigation

MunkiReport before 5.3.0 allows an authenticated actor to execute a custom XSS payload through the /module/comment/save endpoint, affecting all authenticated users browsing the application.

Understanding CVE-2020-10191

This CVE identifies a security vulnerability in MunkiReport that enables the execution of malicious XSS payloads.

What is CVE-2020-10191?

CVE-2020-10191 is a vulnerability in MunkiReport that allows authenticated actors to inject and execute custom XSS payloads through a specific endpoint.

The Impact of CVE-2020-10191

The vulnerability poses a risk as it enables attackers to execute arbitrary code within the context of authenticated users, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-10191

MunkiReport before version 5.3.0 is susceptible to this security flaw.

Vulnerability Description

An authenticated actor can exploit the /module/comment/save endpoint to inject and execute a custom XSS payload, affecting all authenticated users of the application.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability allows attackers to send crafted XSS payloads through the specified endpoint, which are then executed by any authenticated users accessing the application.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-10191.

Immediate Steps to Take

Upgrade MunkiReport to version 5.3.0 or later to mitigate the vulnerability.
Monitor and restrict access to the /module/comment/save endpoint.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement input validation and output encoding to mitigate XSS attacks.

Patching and Updates

Stay informed about security updates and patches released by MunkiReport.
Apply patches promptly to ensure the security of the application.