CVE-2020-23207 : Vulnerability Insights and Analysis

A stored cross-site scripting (XSS) vulnerability in phplist 3.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Edit Values' field under the 'Configure Attributes' module.

Understanding CVE-2020-23207

This CVE involves a stored XSS vulnerability in phplist 3.5.3, enabling malicious actors to run unauthorized scripts or HTML code.

What is CVE-2020-23207?

CVE-2020-23207 is a security flaw in phplist 3.5.3 that permits threat actors to execute arbitrary web scripts or HTML by inserting a malicious payload into the 'Edit Values' field within the 'Configure Attributes' module.

The Impact of CVE-2020-23207

The vulnerability can lead to unauthorized script execution or HTML injection, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2020-23207

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

Vulnerability Description

The flaw allows attackers to perform stored cross-site scripting attacks by injecting malicious code into specific fields within phplist 3.5.3.

Affected Systems and Versions

Affected Product: phplist
Affected Version: 3.5.3

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting a specially crafted payload into the 'Edit Values' field under the 'Configure Attributes' module.

Mitigation and Prevention

Protecting systems from CVE-2020-23207 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable or restrict access to the vulnerable module or feature within phplist.
Implement input validation mechanisms to sanitize user inputs and prevent malicious payloads.

Long-Term Security Practices

Regularly update phplist to the latest version to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Ensure timely installation of security patches and updates provided by phplist to mitigate the risk of exploitation.