CVE-2018-6561 Explained : Impact and Mitigation
Learn about CVE-2018-6561, a cross-site scripting flaw in Dojo Toolkit 1.13's dijit.Editor component, enabling attackers to execute malicious scripts. Find mitigation steps and preventive measures here.
Dojo Toolkit version 1.13 introduces a cross-site scripting vulnerability in dijit.Editor triggered by an SVG element's onload attribute.
Understanding CVE-2018-6561
What is CVE-2018-6561?
dijit.Editor in Dojo Toolkit 1.13 allows XSS through the onload attribute of an SVG element.
The Impact of CVE-2018-6561
This vulnerability can be exploited by attackers to execute malicious scripts in the context of a user's browser session, potentially leading to unauthorized access or data theft.
Technical Details of CVE-2018-6561
Vulnerability Description
The issue arises from improper input validation in the dijit.Editor component, enabling malicious script injection.
Affected Systems and Versions
- Product: Dojo Toolkit
- Version: 1.13
Exploitation Mechanism
The vulnerability is exploited by inserting malicious code into an SVG element's onload attribute, which gets executed when the element loads.
Mitigation and Prevention
Immediate Steps to Take
- Disable or restrict the use of the dijit.Editor component if not essential.
- Regularly monitor and audit user-generated content for suspicious scripts.
Long-Term Security Practices
- Implement input validation and output encoding to prevent XSS attacks.
- Educate developers on secure coding practices to mitigate similar vulnerabilities.
Patching and Updates
- Apply patches or updates provided by the Dojo Toolkit to address the XSS vulnerability.