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
2026-07-26
AI Q&A
2026-02-27
EPSS Evaluated
2026-07-25
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.

Attack-Flow Graph

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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.

Detection Guidance

I don't know

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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Mitigation Strategies

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