CVE-2021-23174 LOW

CVE-2021-23174: WordPress Download Monitor plugin <= 4.4.6 - Auth. Stored Cross-Site Scripting (XSS) vulnerability

Vendor Wpchill
Product Download Monitor
Weakness CWE-79 · XSS
Published January 28, 2022
Last update April 28, 2026

CVSS base score

3.4/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authenticated (admin+) Persistent Cross-Site Scripting (XSS) vulnerability discovered in Download Monitor WordPress plugin (versions <= 4.4.6) Vulnerable parameters: &post_title, &downloadable_file_version[0].

Explanation of Vulnerability in Simple Terms

02Summary

Download Monitor versions up to 4.4.6 contain a stored cross-site scripting (XSS) vulnerability. An authenticated admin can inject malicious scripts into the plugin that execute in other users' browsers when they view affected pages. The vulnerability requires admin privileges and user interaction to exploit, and the impact is limited to modifying page content rather than stealing data or disrupting availability.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view the site.

Potential impact on your site

04Site Impact

A compromised admin account can deface pages or redirect visitors, but cannot steal data or take the site offline.

Conditions required to exploit

05Prerequisites

Admin-level access to the site and the victim must view a page containing the injected script.

Key dates

06Disclosure timeline

January 28, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE