CVE-2019-14696 Explained : Impact and Mitigation

Open-School 3.0 and Community Edition 2.3 are susceptible to XSS vulnerabilities through the id parameter in the osv/index.php?r=students/guardians/create URL.

Understanding CVE-2019-14696

This CVE identifies a cross-site scripting (XSS) vulnerability in Open-School 3.0 and Community Edition 2.3.

What is CVE-2019-14696?

CVE-2019-14696 is a security flaw that allows attackers to execute malicious scripts in a victim's browser when they visit a compromised website.

The Impact of CVE-2019-14696

This vulnerability can lead to unauthorized access to sensitive data, cookie theft, session hijacking, defacement of websites, and other malicious activities.

Technical Details of CVE-2019-14696

Open-School 3.0 and Community Edition 2.3 are affected by the following:

Vulnerability Description

The XSS vulnerability arises from improper input validation in the id parameter of the osv/index.php?r=students/guardians/create URL.

Affected Systems and Versions

Open-School 3.0
Community Edition 2.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the id parameter, potentially leading to script execution in the context of the victim's session.

Mitigation and Prevention

To address CVE-2019-14696, consider the following:

Immediate Steps to Take

Disable the affected URL or input fields if possible.
Implement proper input validation and output encoding to prevent XSS attacks.
Regularly monitor and audit web applications for vulnerabilities.

Long-Term Security Practices

Educate developers on secure coding practices to prevent XSS vulnerabilities.
Employ web application firewalls (WAFs) to filter and block malicious traffic.

Patching and Updates

Apply security patches provided by the software vendor to fix the XSS vulnerability in Open-School 3.0 and Community Edition 2.3.