CVE-2020-19887 : Vulnerability Insights and Analysis
Learn about CVE-2020-19887 affecting DBHcms v1.2.0. Discover the impact, technical details, and mitigation steps for this stored XSS vulnerability.
DBHcms v1.2.0 has a stored XSS vulnerability that can be exploited by a remote authenticated admin user to hijack other users.
Understanding CVE-2020-19887
What is CVE-2020-19887?
DBHcms v1.2.0 is susceptible to a stored XSS vulnerability due to the absence of proper input sanitization.
The Impact of CVE-2020-19887
This vulnerability allows a remote authenticated admin user to execute malicious scripts, potentially leading to user hijacking.
Technical Details of CVE-2020-19887
Vulnerability Description
The vulnerability exists in dbhcms\mod\mod.page.edit.php at line 227, where the '$_POST['pageparam_insert_description']' variable lacks proper sanitization.
Affected Systems and Versions
- Product: DBHcms
- Version: 1.2.0
Exploitation Mechanism
An authenticated admin user can inject malicious scripts through the vulnerable '$_POST['pageparam_insert_description']' variable.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation and sanitization mechanisms.
- Regularly monitor and audit user inputs for suspicious activities.
Long-Term Security Practices
- Conduct security training for developers on secure coding practices.
- Keep software and systems up to date with the latest security patches.
- Employ the principle of least privilege to restrict user permissions.
Patching and Updates
Apply patches and updates provided by the vendor to address the XSS vulnerability in DBHcms v1.2.0.