CVE-2025-12138

The URL Image Importer plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in all versions up to, and including, 1.0.6. This is due to the plugin relying on a user-controlled Content-Type HTTP header to validate file uploads in the 'uimptr_import_image_from_url()' function which writes the file to the server before performing proper validation. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible via the uploaded PHP file.

• CWE-434

• https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1319
• https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1353
• https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L1358
• https://plugins.trac.wordpress.org/browser/url-image-importer/trunk/url-image-importer.php#L198
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3395852%40url-image-importer&new=3395852%40url-image-importer&sfp_email=&sfph_mail=#file9
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1da18430-1bd0-4f63-9e22-5d26de2be410?source=cve

Published

Nov 21, 2025

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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