CVE-2026-4086
Stored XSS in WP Random Button Plugin Shortcode Attributes
Publication date: 2026-03-21
Last updated on: 2026-03-21
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_random_button | wp_random_button | to 1.0 (inc) |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
The WP Random Button plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its 'wp_random_button' shortcode. This vulnerability arises because the plugin does not properly sanitize or escape user-supplied shortcode attributes named 'cat', 'nocat', and 'text'. Specifically, the 'cat' and 'nocat' attributes are directly inserted into HTML data-attributes without proper escaping, and the 'text' attribute is inserted into HTML content without escaping. As a result, authenticated users with Contributor-level access or higher can inject malicious scripts that will execute whenever any user views the affected page.
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access to inject arbitrary malicious scripts into pages on a WordPress site using the WP Random Button plugin. These scripts can execute in the browsers of users who visit the infected pages, potentially leading to theft of sensitive information, session hijacking, defacement, or other malicious actions. Because the vulnerability does not require user interaction to trigger (no UI needed), it can be exploited to compromise site visitors and damage the site's integrity and user trust.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know