CVE-2021-42866 Explained : Impact and Mitigation
Learn about CVE-2021-42866, a Cross-Site Scripting (XSS) flaw in Pixelimity 1.0 via the Site Description field. Find out impact, affected systems, exploitation methods, and mitigation steps.
A Cross-Site Scripting vulnerability exists in Pixelimity 1.0 via the Site Description field in pixelimity/admin/setting.php.
Understanding CVE-2021-42866
What is CVE-2021-42866?
A Cross-Site Scripting (XSS) vulnerability has been identified in Pixelimity 1.0 through the Site Description input field.
The Impact of CVE-2021-42866
This vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users, leading to various attacks, including session hijacking and sensitive data theft.
Technical Details of CVE-2021-42866
Vulnerability Description
The issue arises from unsanitized user input in the Site Description field, enabling malicious script injection.
Affected Systems and Versions
- Product: Pixelimity 1.0
- Vendor: N/A
- Versions affected: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting crafted script code into the Site Description field, which gets executed when other users navigate to the compromised page.
Mitigation and Prevention
Immediate Steps to Take
- Disable any unnecessary input fields to limit attack surface
- Implement proper input validation and sanitization techniques
Long-Term Security Practices
- Regular security assessments and code reviews
- Educate developers on secure coding practices
Patching and Updates
Apply patches and updates provided by the software vendor to address the XSS vulnerability.