CVE-2019-10756 Explained : Impact and Mitigation
Learn about CVE-2019-10756 affecting node-red-dashboard versions prior to 2.17.0, allowing JavaScript injection through the ui_notification node. Find mitigation steps and best practices.
Node-red-dashboard versions older than 2.17.0 may have a vulnerability that allows JavaScript injection through the ui_notification node.
Understanding CVE-2019-10756
Node-red-dashboard versions prior to 2.17.0 are susceptible to a Cross-site Scripting (XSS) vulnerability that enables JavaScript injection.
What is CVE-2019-10756?
This CVE identifies a security flaw in node-red-dashboard versions before 2.17.0, allowing attackers to inject JavaScript code due to the default acceptance of raw HTML by the ui_notification node.
The Impact of CVE-2019-10756
- Malicious actors can exploit this vulnerability to execute arbitrary JavaScript code within the affected application.
- Successful exploitation could lead to unauthorized access, data theft, and other security breaches.
Technical Details of CVE-2019-10756
Node-red-dashboard versions older than 2.17.0 are at risk due to the following:
Vulnerability Description
The vulnerability stems from the ui_notification node's default behavior of accepting raw HTML, enabling JavaScript injection.
Affected Systems and Versions
- Product: node-red-dashboard
- Vendor: n/a
- Versions Affected: All versions prior to 2.17.0
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious JavaScript code through the ui_notification node, potentially compromising the application's security.
Mitigation and Prevention
To address CVE-2019-10756, consider the following steps:
Immediate Steps to Take
- Upgrade node-red-dashboard to version 2.17.0 or newer to mitigate the vulnerability.
- Review and restrict the acceptance of raw HTML within the application to prevent JavaScript injection.
Long-Term Security Practices
- Regularly monitor and update dependencies to ensure the latest security patches are applied.
- Implement input validation and output encoding to mitigate XSS vulnerabilities.
Patching and Updates
- Stay informed about security advisories and promptly apply patches released by the vendor to address known vulnerabilities.