CVE-2019-11846 Explained : Impact and Mitigation
Learn about CVE-2019-11846, a critical XSS and HTML Injection vulnerability in dotCMS 5.1.1, allowing attackers to inject malicious scripts. Find mitigation steps and preventive measures here.
A Cross-Site Scripting (XSS) and HTML Injection vulnerability in dotCMS 5.1.1's /servlets/ajax_file_upload?fieldName=binary3 functionality.
Understanding CVE-2019-11846
What is CVE-2019-11846?
This CVE identifies an XSS and HTML Injection vulnerability in dotCMS 5.1.1.
The Impact of CVE-2019-11846
The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to data theft or unauthorized actions.
Technical Details of CVE-2019-11846
Vulnerability Description
The /servlets/ajax_file_upload?fieldName=binary3 in dotCMS 5.1.1 is susceptible to XSS and HTML Injection attacks.
Affected Systems and Versions
- Product: dotCMS
- Version: 5.1.1
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts through the mentioned functionality, impacting the integrity of web content.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to sanitize user inputs and prevent script injection.
- Regularly monitor and audit web applications for any suspicious activities.
Long-Term Security Practices
- Educate developers on secure coding practices to avoid common vulnerabilities like XSS.
- Employ web application firewalls to filter and block malicious traffic.
Patching and Updates
Ensure timely updates and patches from dotCMS to address and fix the vulnerability.