CVE-2020-23190 : What You Need to Know

A stored cross-site scripting (XSS) vulnerability in the "Import emails" module in phplist 3.5.4 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload.

Understanding CVE-2020-23190

This CVE involves a security issue in the phplist software that could be exploited by authenticated attackers to run malicious scripts.

What is CVE-2020-23190?

CVE-2020-23190 is a stored cross-site scripting (XSS) vulnerability found in the "Import emails" module of phplist version 3.5.4.

The Impact of CVE-2020-23190

The vulnerability allows authenticated attackers to execute arbitrary web scripts or HTML by injecting a specially crafted payload.

Technical Details of CVE-2020-23190

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The stored XSS vulnerability in phplist 3.5.4 enables attackers to insert malicious scripts or HTML code through the "Import emails" module.

Affected Systems and Versions

Affected Version: phplist 3.5.4
Vendor: n/a

Exploitation Mechanism

Attackers with authenticated access can exploit this vulnerability by injecting a crafted payload through the "Import emails" module.

Mitigation and Prevention

Protecting systems from CVE-2020-23190 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update phplist to the latest version to patch the vulnerability.
Monitor and restrict access to the "Import emails" module.

Long-Term Security Practices

Conduct regular security audits and code reviews.
Educate users on safe email handling practices.

Patching and Updates

Regularly check for software updates and security patches to ensure the system is protected from known vulnerabilities.