CVE-2021-44082 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-44082 on Textpattern 4.8.7. Learn about the XSS vulnerability allowing remote code execution. Find mitigation steps and update recommendations.
Understanding CVE-2021-44082
What is CVE-2021-44082?
Textpattern 4.8.7 is susceptible to Cross Site Scripting (XSS) attacks via /textpattern/index.php,Body, enabling remote code execution by uploading a webshell after stealing the CSRF token.
The Impact of CVE-2021-44082
The vulnerability allows unauthenticated remote attackers to execute malicious code by exploiting XSS, potentially leading to severe security breaches.
Technical Details of CVE-2021-44082
Vulnerability Description
- XSS vulnerability in Textpattern 4.8.7 via /textpattern/index.php,Body
- Allows remote code execution through webshell upload
Affected Systems and Versions
- Product: Textpattern
- Version: 4.8.7
Exploitation Mechanism
- Attacker needs to steal CSRF token for file upload request exploitation
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation and output encoding to mitigate XSS attacks
- Regularly monitor and review access logs for suspicious activities
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Stay informed about security updates and patches
Patching and Updates
- Apply security patches and updates promptly to address known vulnerabilities