CVE-2020-5751 Explained : Impact and Mitigation

TCExam 14.2.2 suffers from insufficient output sanitization, enabling a remote, authenticated attacker to execute persistent cross-site scripting (XSS) attacks.

Understanding CVE-2020-5751

This CVE involves an authenticated stored cross-site scripting (XSS) vulnerability in TCExam 14.2.2.

What is CVE-2020-5751?

Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by creating a crafted operator.

The Impact of CVE-2020-5751

A remote, authenticated attacker can exploit this vulnerability to execute persistent XSS attacks, potentially compromising the security and integrity of the system.

Technical Details of CVE-2020-5751

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in TCExam 14.2.2 arises from inadequate output sanitization, enabling attackers to inject malicious scripts.

Affected Systems and Versions

Affected Product: TCExam
Affected Version: 14.2.2

Exploitation Mechanism

Attackers with authenticated access can exploit this vulnerability by creating a specially crafted operator to execute XSS attacks.

Mitigation and Prevention

Protecting systems from CVE-2020-5751 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Implement input validation and output encoding to mitigate XSS risks.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and address vulnerabilities.
Educate users on safe browsing habits and the risks associated with XSS attacks.

Patching and Updates

Stay informed about security advisories and updates from TCExam to apply patches that address this vulnerability.