CVE-2017-18490 : What You Need to Know

Multiple cross-site scripting (XSS) issues have been identified in the contact-form-multi plugin prior to version 1.2.1 for WordPress.

Understanding CVE-2017-18490

The contact-form-multi plugin before 1.2.1 for WordPress has multiple XSS issues.

What is CVE-2017-18490?

The CVE-2017-18490 vulnerability refers to multiple cross-site scripting (XSS) issues found in the contact-form-multi plugin before version 1.2.1 for WordPress.

The Impact of CVE-2017-18490

Attackers can execute malicious scripts on the victim's browser, leading to potential data theft, session hijacking, or unauthorized actions on the affected website.

Technical Details of CVE-2017-18490

The technical details of the CVE-2017-18490 vulnerability are as follows:

Vulnerability Description

Type: Cross-Site Scripting (XSS)
Plugin affected: contact-form-multi
Versions affected: Before 1.2.1

Affected Systems and Versions

Systems: WordPress
Versions: contact-form-multi plugin before 1.2.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through input fields in the contact-form-multi plugin, which are not properly sanitized.

Mitigation and Prevention

To mitigate the CVE-2017-18490 vulnerability, follow these steps:

Immediate Steps to Take

Update the contact-form-multi plugin to version 1.2.1 or newer.
Regularly monitor and sanitize user inputs to prevent XSS attacks.

Long-Term Security Practices

Implement a web application firewall (WAF) to filter and block malicious traffic.
Educate developers and users about secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply patches promptly to address known vulnerabilities.