CVE-2021-39315 : What You Need to Know

The Magic Post Voice WordPress plugin is vulnerable to Reflected Cross-Site Scripting that allows attackers to inject arbitrary web scripts, affecting versions up to and including 1.2.

Understanding CVE-2021-39315

Magic Post Voice <= 1.2 Reflected Cross-Site Scripting

What is CVE-2021-39315?

CVE-2021-39315 is a vulnerability in the Magic Post Voice WordPress plugin that enables attackers to perform Reflected Cross-Site Scripting by exploiting the ids parameter in the ~/inc/admin/main.php file.

The Impact of CVE-2021-39315

The vulnerability allows attackers to inject arbitrary web scripts, posing a risk of executing malicious scripts on the victim's system.

Technical Details of CVE-2021-39315

The technical details provide insight into the vulnerability's specifics.

Vulnerability Description

Vulnerability Type: Reflected Cross-Site Scripting (XSS)
CVSS Base Score: 6.1 (Medium)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Changed
CVE ID: CVE-2021-39315

Affected Systems and Versions

The vulnerability affects:

Product: Magic Post Voice
Vendor: Magic Post Voice
Versions: <= 1.2

Exploitation Mechanism

The vulnerability is exploited via the ids parameter in the ~/inc/admin/main.php file, allowing attackers to inject malicious scripts into web pages.

Mitigation and Prevention

Protecting systems from CVE-2021-39315 requires taking immediate and long-term security measures.

Immediate Steps to Take

Uninstall the Magic Post Voice plugin from the WordPress site.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement web application firewalls to filter and block malicious traffic.

Patching and Updates

Prioritize the installation of security patches and updates released by the plugin vendor to address the vulnerability effectively.