Simple Download Monitor <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-2383
CVSS 6.4 (Medium)
Publicly Published February 26, 2026
Last Updated February 27, 2026
Researcher Muhammad Yudha - DJ

Description

The Simple Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field in all versions up to, and including, 4.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for Simple Download Monitor

Software Type Plugin
Software Slug simple-download-monitor (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.0.6, or a newer patched version
Affected Version
  • <= 4.0.5
Patched Version
  • 4.0.6

Recent vulnerabilities in Simple Download Monitor

# Title CVE ID CVSS Researchers Date
1 Simple Download Monitor <= 3.9.33 - Simple Download Monitor <= 3.9.33 – Authenticated (Contributor+) SQL Injection via order parameter in Log Export functionality CVE-2025-8977 6.5 dutafi August 27, 2025
2 Simple Download Monitor <= 3.9.34 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-58197 6.4 zaim August 27, 2025
3 Simple Download Monitor <= 3.9.25 - Authenticated (Administrator+) SQL Injection CVE-2025-24663 4.9 shinobu January 24, 2025
4 Simple Download Monitor <= 3.9.8 - Multiple Cross-Site Request Forgery vulnerabilities CVE-2021-24696 8.8 apple502j December 21, 2021
5 Simple Download Monitor <= 3.9.10 - Contributor+ Stored Cross-Site Scripting via Shortcodes CVE-2021-24694 5.4 apple502j December 21, 2021
6 Simple Download Monitor <= 3.9.4 - Contributor+ Stored Cross-Site Scripting via File Thumbnail CVE-2021-24693 9.0 apple502j October 5, 2021
7 Simple Download Monitor <= 3.9.5 - Contributor+ Arbitrary Thumbnail Removal CVE-2021-24698 4.3 apple502j October 5, 2021
8 Simple Download Monitor <= 3.9.5 - Sensitive Data Exposure CVE-2021-24695 5.3 apple502j October 5, 2021
9 Simple Download Monitor <= 3.9.5 - Log Reset 4.3 WPScanTeam October 5, 2021
10 Simple Download Monitor <= 3.9.4 - Reflected Cross-Site Scripting CVE-2021-24697 6.1 apple502j October 5, 2021

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