Vulnerability · Published Mar 23, 2026 · Assigned by Wordfence
CVE-2026-3533JupiterX Core <= 4.14.1 - Authenticated (Subscriber+) Missing Authorization To Limited File Upload via Popup Template Import
High 8.8
In plain English
A high-severity unrestricted file upload in Jupiter X Core from artbees. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Official description
The Jupiter X Core plugin for WordPress is vulnerable to limited file uploads due to missing authorization on import_popup_templates() function as well as insufficient file type validation in the upload_files() function in all versions up to, and including, 4.14.1. This makes it possible for Authenticated attackers with Subscriber-level access and above, to upload files with dangerous types that can lead to Remote Code Execution on servers configured to handle .phar files as executable PHP (e.g., Apache+mod_php), or Stored Cross-Site Scripting via .svg, .dfxp, or .xhtml files upload on any server configuration
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| artbees | Jupiter X Core | 0 – through 4.14.1 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/70bc5247-525d-4aae-9d66-efd65c9beee3?source=cve
- https://plugins.trac.wordpress.org/browser/jupiterx-core/trunk/includes/control-panel-2/includes/class-popup.php?rev=3430169#138
- https://plugins.trac.wordpress.org/browser/jupiterx-core/trunk/includes/extensions/raven/includes/modules/forms/fields/file.php?rev=3430169#L214
- https://plugins.trac.wordpress.org/browser/jupiterx-core/trunk/includes/extensions/raven/includes/modules/forms/classes/ajax-handler.php?rev=3430169#L434