CVE-2021-44912 : Vulnerability Insights and Analysis
Learn about CVE-2021-44912 affecting XE 1.116 with file upload vulnerabilities leading to XSS risks. Find out how to mitigate the issue and secure your systems.
In XE 1.116, a vulnerability allows for file uploads with unrestricted file suffixes, enabling stored XSS attacks.
Understanding CVE-2021-44912
What is CVE-2021-44912?
In XE 1.116, an issue permits uploading files to the directory without restrictions on file suffixes, potentially leading to stored XSS vulnerabilities.
The Impact of CVE-2021-44912
The vulnerability allows for the upload of HTML-type files, bypassing .htaccess restrictions, and potentially leading to stored XSS security risks.
Technical Details of CVE-2021-44912
Vulnerability Description
Uploading files with any file suffix to the directory in XE 1.116 can result in stored XSS vulnerabilities due to limited .htaccess restriction to PHP files only.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions prior to XE 1.11.2
Exploitation Mechanism
Improper .htaccess configuration in versions before XE 1.11.2 can allow the upload of PHP files, potentially leading to the execution of malicious code.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to XE 1.11.2 or later to prevent this vulnerability
- Ensure proper file type restrictions in the .htaccess file
Long-Term Security Practices
- Regularly monitor and review file upload capabilities
- Implement secure coding practices to prevent XSS vulnerabilities
Patching and Updates
- Apply patches provided by XE to fix this vulnerability