CVE-2021-26716 Explained : Impact and Mitigation

Emoncms through version 10.2.7 is vulnerable to a Cross-Site Scripting (XSS) attack via the node parameter in the schedule.php file. This CVE, identified as CVE-2021-26716, poses a security risk due to the XSS vulnerability.

Understanding CVE-2021-26716

This section will discuss the implications and technical aspects of CVE-2021-26716.

What is CVE-2021-26716?

The CVE-2021-26716 vulnerability exists in Emoncms through version 10.2.7, allowing attackers to execute XSS attacks through the node parameter in the schedule.php file.

The Impact of CVE-2021-26716

The XSS vulnerability in CVE-2021-26716 can be exploited by malicious actors to inject and execute arbitrary script code, potentially leading to unauthorized access, data theft, or other security breaches.

Technical Details of CVE-2021-26716

Let's delve into the technical specifics of CVE-2021-26716.

Vulnerability Description

The vulnerability in Modules/input/Views/schedule.php in Emoncms through version 10.2.7 enables XSS attacks by manipulating the node parameter.

Affected Systems and Versions

Emoncms versions up to 10.2.7 are affected by CVE-2021-26716 due to the XSS vulnerability in the schedule.php file.

Exploitation Mechanism

Attackers can exploit CVE-2021-26716 by injecting malicious scripts through the vulnerable node parameter, potentially compromising the security of the affected systems.

Mitigation and Prevention

Discover the necessary actions to mitigate the risks associated with CVE-2021-26716.

Immediate Steps to Take

Users are advised to update to a secure version of Emoncms beyond 10.2.7 to prevent exploitation of the XSS vulnerability.

Long-Term Security Practices

Implementing secure coding practices, input validation mechanisms, and regular security audits can enhance the overall security posture against XSS attacks.

Patching and Updates

Stay informed about security patches and updates released by Emoncms to address known vulnerabilities like CVE-2021-26716.