CVE-2026-1851
Received Received - Intake
Stored XSS in iVysilani Shortcode Plugin Allows Script Injection

Publication date: 2026-03-21

Last updated on: 2026-03-21

Assigner: Wordfence

Description
The iVysilani Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' shortcode attribute in all versions up to, and including, 3.0 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
2026-03-21
Last Modified
2026-03-21
Generated
2026-06-16
AI Q&A
2026-03-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-1851
EUVD
EUVD-2026-14001
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ivysilani shortcode_plugin to 3.0 (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 iVysilani Shortcode plugin for WordPress has a vulnerability known as Stored Cross-Site Scripting (XSS) in its 'width' shortcode attribute. This vulnerability exists in all versions up to and including version 3.0. It occurs because the plugin does not properly sanitize input or escape output, allowing attackers to inject malicious web scripts.

Authenticated users with Contributor-level access or higher can exploit this flaw to insert arbitrary scripts into pages. These scripts will execute whenever any user accesses the affected page.

Impact Analysis

This vulnerability can allow attackers with Contributor-level access or above to inject malicious scripts into web 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 can enable unauthorized actions on behalf of users.
  • It can compromise the integrity and trustworthiness of the affected website.
Compliance Impact

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Detection Guidance

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