CVE-2026-3885
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| shortcodes_ultimate | shortcodes_ultimate | to 7.4.9 (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 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.
How can this vulnerability impact me? :
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.