CVE-2021-26746 Explained : Impact and Mitigation
Learn about CVE-2021-26746, an XSS vulnerability in Chamilo 1.11.14 that allows attackers to run malicious scripts. Understand the impact, technical details, and mitigation strategies.
Chamilo 1.11.14 is vulnerable to a cross-site scripting (XSS) attack through a specific URI. This CVE entry provides details on the impact, technical description of the vulnerability, as well as mitigation and prevention strategies.
Understanding CVE-2021-26746
This section will delve into the specifics of the CVE-2021-26746 vulnerability, shedding light on its implications and severity.
What is CVE-2021-26746?
CVE-2021-26746 refers to the XSS vulnerability present in Chamilo 1.11.14, allowing attackers to execute malicious scripts through the 'main/calendar/agenda_list.php?type=' URI.
The Impact of CVE-2021-26746
The XSS vulnerability in Chamilo 1.11.14 can lead to unauthorized access, data theft, and the execution of harmful scripts on the affected system, posing a significant security risk.
Technical Details of CVE-2021-26746
In this section, we will explore the technical aspects of the CVE-2021-26746 vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability in Chamilo 1.11.14 allows for XSS attacks via the 'main/calendar/agenda_list.php?type=' URI, enabling threat actors to inject and execute malicious scripts within the application.
Affected Systems and Versions
Chamilo 1.11.14 is confirmed to be affected by this XSS vulnerability, potentially impacting users of the specific version of the e-learning platform.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input within the URI mentioned, tricking the application into executing the injected scripts and compromising user data.
Mitigation and Prevention
This section outlines essential steps to mitigate the risk posed by CVE-2021-26746 and prevent XSS attacks on Chamilo 1.11.14.
Immediate Steps to Take
Users are advised to update to a patched version of Chamilo to address the vulnerability. Additionally, input validation and output encoding can help prevent XSS attacks.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and educating users about safe browsing habits can enhance the overall security posture.
Patching and Updates
Stay informed about security updates released by Chamilo and apply patches promptly to safeguard the system against known vulnerabilities.