CVE-2018-20778 : Security Advisory and Response
Learn about CVE-2018-20778, a security flaw in Frog CMS 0.9.5 allowing XSS attacks. Find out how to mitigate the risk and prevent unauthorized access to sensitive data.
A security vulnerability in the file_manager plugin of Frog CMS 0.9.5 allows for cross-site scripting attacks by creating a malicious attribute within an IMG element.
Understanding CVE-2018-20778
This CVE entry highlights a specific vulnerability in Frog CMS 0.9.5 that can be exploited for XSS attacks.
What is CVE-2018-20778?
The vulnerability in the file_manager plugin of Frog CMS 0.9.5 enables attackers to execute cross-site scripting attacks by inserting a crafted attribute into an IMG element.
The Impact of CVE-2018-20778
This vulnerability can lead to unauthorized access to sensitive information, cookie theft, defacement of web pages, and potentially complete compromise of the affected system.
Technical Details of CVE-2018-20778
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in admin/?/plugin/file_manager in Frog CMS 0.9.5 allows for XSS attacks by creating a new file with a malicious attribute within an IMG element.
Affected Systems and Versions
- Product: Frog CMS 0.9.5
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by creating a new file that includes a specifically crafted attribute within an IMG element.
Mitigation and Prevention
Protecting systems from CVE-2018-20778 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or remove the file_manager plugin in Frog CMS 0.9.5 to mitigate the risk of exploitation.
- Regularly monitor and audit the website for any unauthorized changes or injected scripts.
Long-Term Security Practices
- Implement input validation to sanitize user inputs and prevent malicious scripts from executing.
- Stay informed about security updates and patches for Frog CMS to address known vulnerabilities.
- Educate users and administrators about the risks of XSS attacks and best practices for secure web development.
- Consider implementing a web application firewall to filter and block malicious traffic.
Patching and Updates
Ensure that Frog CMS is kept up to date with the latest security patches and updates to address vulnerabilities like CVE-2018-20778.