CVE-2020-19884 : Exploit Details and Defense Strategies

DBHcms v1.2.0 has a stored XSS vulnerability due to the absence of the htmlspecialchars function in dbhcms\mod\mod.domain.edit.php line 119.

Understanding CVE-2020-19884

This CVE involves a stored XSS vulnerability in DBHcms v1.2.0.

What is CVE-2020-19884?

CVE-2020-19884 is a vulnerability in DBHcms v1.2.0 that allows for stored cross-site scripting attacks.

The Impact of CVE-2020-19884

The vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by other users, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2020-19884

This section provides technical details of the vulnerability.

Vulnerability Description

The stored XSS vulnerability in DBHcms v1.2.0 is caused by the lack of the htmlspecialchars function in dbhcms\mod\mod.domain.edit.php line 119.

Affected Systems and Versions

Affected System: DBHcms v1.2.0
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the affected web application, which are then executed in the context of other users' sessions.

Mitigation and Prevention

To address CVE-2020-19884, follow these mitigation steps:

Immediate Steps to Take

Implement input validation and output encoding to prevent XSS attacks.
Regularly update the DBHcms software to the latest version.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Apply patches or updates provided by the DBHcms project to fix the XSS vulnerability.