CVE-2026-2383
Received Received - Intake
Stored XSS in Simple Download Monitor Plugin Allows Script Injection

Publication date: 2026-02-27

Last updated on: 2026-02-27

Assigner: Wordfence

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.
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Meta Information
Published
2026-02-27
Last Modified
2026-02-27
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2383
EUVD
EUVD-2026-9017
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
simple_download_monitor plugin to 4.0.5 (inc)
wordfence simple_download_monitor to 4.0.5 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

The Simple Download Monitor plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to and including 4.0.5. This vulnerability arises because the plugin does not properly sanitize input or escape output in custom fields.

As a result, authenticated users with Contributor-level access or higher can inject malicious web scripts into pages. These scripts will execute whenever any user accesses the infected page.

Impact Analysis

This vulnerability can allow attackers with Contributor-level access or above to inject malicious scripts that execute in the browsers of users who visit the affected pages.

  • It can lead to theft of user credentials or session tokens.
  • It can enable unauthorized actions on behalf of users.
  • It can compromise the integrity and trustworthiness of the website.
Compliance Impact

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Detection Guidance

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Mitigation Strategies

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