CVE-2020-23192 : Vulnerability Insights and Analysis

A stored cross-site scripting (XSS) vulnerability in phplist 3.5.4 and below allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload in the "admin" parameter under the "Manage administrators" module.

Understanding CVE-2020-23192

This CVE involves a stored XSS vulnerability in phplist versions 3.5.4 and earlier, enabling authenticated attackers to run malicious scripts or HTML through a manipulated payload.

What is CVE-2020-23192?

This CVE identifies a specific security flaw in phplist versions 3.5.4 and below that permits authenticated malicious users to execute arbitrary web scripts or HTML by exploiting the "admin" parameter within the "Manage administrators" module.

The Impact of CVE-2020-23192

The vulnerability poses a risk of executing unauthorized scripts or HTML code within the application, potentially leading to various attacks such as data theft, session hijacking, or defacement of the application.

Technical Details of CVE-2020-23192

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows authenticated attackers to inject and execute malicious web scripts or HTML code through a specially crafted payload in the "admin" parameter of the "Manage administrators" module in phplist versions 3.5.4 and earlier.

Affected Systems and Versions

Product: phplist
Vendor: N/A
Versions affected: 3.5.4 and below

Exploitation Mechanism

The vulnerability can be exploited by authenticated attackers who input a malicious payload into the "admin" parameter, enabling the execution of unauthorized scripts or HTML within the application.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-23192, follow these mitigation strategies:

Immediate Steps to Take

Upgrade phplist to a version that includes a patch for the XSS vulnerability.
Monitor and restrict user input to prevent the injection of malicious payloads.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Educate users on secure coding practices and the risks of XSS vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by phplist.
Apply patches promptly to ensure the security of the application.