CVE-2026-3885
Received Received - Intake

Stored XSS in WP Shortcodes Ultimate Plugin via su_box Shortcode

Publication date: 2026-04-16

Last updated on: 2026-04-16

Assigner: Wordfence

Description
The WP Shortcodes Plugin — Shortcodes Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'su_box' shortcode in all versions up to, and including, 7.4.9 due to insufficient input sanitization and output escaping on user supplied attributes. 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
2026-04-16
Last Modified
2026-04-16
Generated
2026-07-06
AI Q&A
2026-04-16
EPSS Evaluated
2026-07-05
NVD
CVE-2026-3885
EUVD
EUVD-2026-23159

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
shortcodes_ultimate shortcodes_ultimate to 7.4.9 (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 WP Shortcodes Plugin — Shortcodes Ultimate plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability in its 'su_box' shortcode. This vulnerability exists in all versions up to and including 7.4.9 due to insufficient input sanitization and output escaping on user-supplied attributes.

Authenticated attackers with contributor-level access or higher can exploit this flaw to inject arbitrary web scripts into pages. These scripts execute whenever any user accesses the injected page.

Impact Analysis

This vulnerability allows attackers with contributor-level access or above to inject malicious scripts into WordPress pages. When other users visit these pages, the injected scripts execute in their browsers.

  • It can lead to theft of user credentials or session tokens.
  • It may enable attackers to perform actions on behalf of other users.
  • It can result in defacement or unauthorized content modification.

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