CVE-2017-20056 Explained : Impact and Mitigation

A flaw has been discovered in version 2.2.1 of the weblizar User Login Log Plugin, leading to a basic form of stored cross-site scripting (XSS) vulnerability.

Understanding CVE-2017-20056

This CVE involves a vulnerability in the weblizar User Login Log Plugin, version 2.2.1, allowing for stored cross-site scripting attacks.

What is CVE-2017-20056?

The vulnerability is classified as CWE-80 Basic Cross Site Scripting, affecting the User Login Log Plugin by weblizar.
An unspecified function within the plugin is manipulated, enabling a basic form of stored XSS.
Attackers can exploit this remotely, potentially executing malicious scripts.

The Impact of CVE-2017-20056

CVSS Score: 3.5 (Low severity)
Attack Vector: Network
Attack Complexity: Low
User Interaction: Required
Integrity Impact: Low
This vulnerability does not require high privileges for exploitation.

Technical Details of CVE-2017-20056

The technical aspects of the vulnerability in the weblizar User Login Log Plugin.

Vulnerability Description

The flaw allows for stored cross-site scripting (XSS) attacks.

Affected Systems and Versions

Affected Product: User Login Log Plugin
Vendor: weblizar
Affected Version: 2.2.1

Exploitation Mechanism

Attackers can exploit an unspecified function within the plugin to execute remote stored XSS attacks.

Mitigation and Prevention

Steps to mitigate the risks associated with CVE-2017-20056.

Immediate Steps to Take

Disable or remove the User Login Log Plugin version 2.2.1.
Implement web application firewalls to filter and block malicious traffic.
Regularly monitor and audit user login activities for suspicious behavior.

Long-Term Security Practices

Keep software and plugins updated to prevent known vulnerabilities.
Educate users on safe browsing practices and the risks of clicking on unknown links.

Patching and Updates

Check for security patches or updates from the plugin vendor to address the vulnerability.