CVE-2026-3885 MEDIUM

CVE-2026-3885: WP Shortcodes Plugin — Shortcodes Ultimate <= 7.4.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via su_box Shortcode

Vendor Gn_Themes
Product WP Shortcodes Plugin — Shortcodes Ultimate
Weakness CWE-79 · XSS
Published April 16, 2026
Last update April 16, 2026
View on NVD All CVEs

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Shortcodes Ultimate versions up to 7.4.9 contain a cross-site scripting vulnerability in shortcode processing. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers, including administrators. The vulnerability affects the site's scope, potentially compromising user sessions and data.

What an attacker can do

03Attacker Capabilities

Inject JavaScript that runs in other users' browsers, including admins, to steal sessions or modify site content.

Potential impact on your site

04Site Impact

Authenticated attackers can inject malicious scripts affecting all site visitors, risking admin account compromise and data theft.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege WordPress account (e.g., contributor or subscriber role).

Key dates

06Disclosure timeline

April 16, 2026 CVE published
April 16, 2026 Record updated