CVE-2020-11712 : Vulnerability Insights and Analysis

Open Upload through 0.4.3 allows XSS via index.php?action=u and the filename field.

Understanding CVE-2020-11712

Open Upload through version 0.4.3 is vulnerable to a cross-site scripting (XSS) attack through specific parameters.

What is CVE-2020-11712?

CVE-2020-11712 is a security vulnerability in Open Upload version 0.4.3 that enables attackers to execute XSS attacks via the 'index.php?action=u' parameter and the filename field.

The Impact of CVE-2020-11712

This vulnerability allows malicious actors to inject and execute arbitrary scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-11712

Open Upload through version 0.4.3 is susceptible to XSS attacks due to inadequate input validation.

Vulnerability Description

The issue arises from insufficient sanitization of user-supplied data in the mentioned parameters, enabling attackers to embed malicious scripts.

Affected Systems and Versions

Product: Open Upload
Vendor: N/A
Versions affected: Up to and including 0.4.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the 'index.php?action=u' parameter and the filename field, which are not properly sanitized.

Mitigation and Prevention

To address CVE-2020-11712, follow these mitigation strategies:

Immediate Steps to Take

Disable the affected functionality if not essential
Implement input validation and output encoding to prevent XSS attacks

Long-Term Security Practices

Regularly update Open Upload to the latest secure version
Conduct security audits and penetration testing to identify and remediate vulnerabilities

Patching and Updates

Apply patches or updates provided by the Open Upload project to fix the XSS vulnerability