CVE-2021-38359 MEDIUM

CVE-2021-38359: WordPress InviteBox Plugin <= 1.4.1 Reflected Cross-Site Scripting

Vendor Wordpress Invitebox Plugin
Product WordPress InviteBox Plugin
Weakness CWE-79 · XSS
Published September 10, 2021
Last update May 2, 2025

CVSS base score

6.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The WordPress InviteBox Plugin for viral Refer-a-Friend Promotions WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the message parameter found in the ~/admin/admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.1.

Explanation of Vulnerability in Simple Terms

02Summary

The InviteBox plugin for WordPress versions 1.4.1 contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability affects the plugin's scope across the site.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers via a crafted link.

Potential impact on your site

04Site Impact

Visitors clicking malicious links could have their sessions hijacked, credentials stolen, or be redirected to malware.

Conditions required to exploit

05Prerequisites

A site visitor must click an attacker-controlled link while logged into or visiting the WordPress site.

Key dates

06Disclosure timeline

September 10, 2021 CVE published
May 2, 2025 Record updated

Related vulnerabilities

08Related CVE