CVE-2026-3533 — JupiterX Core <= 4.14.1 - Authenticated (Subscriber+) Missing Authorization To Limited File Upload via Popup Template Import
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…
Published: 2026-03-23 · CVSS: 8.8 · CVSS 3.1
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
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7