CVE-2016-15043

The WP Mobile Detector plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in resize.php file in versions up to, and including, 3.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - security@wordfence.com

Published

2025-07-19

Last modified

2026-04-08

Weaknesses

CWE-434

Affected products

• Wp Mobile Detector (Websitez.com Llc)
• Wp Mobile Detector (Wp Mobile Detector Project)

References

• https://aadityapurani.com/2016/06/03/mobile-detector-poc/
• https://blog.sucuri.net/2016/06/wp-mobile-detector-vulnerability-being-exploited-in-the-wild.html
• https://wordpress.org/plugins/wp-mobile-detector/changelog/
• https://wpscan.com/vulnerability/e4739674-eed4-417e-8c4d-2f5351b057cf
• https://www.pluginvulnerabilities.com/2016/05/31/aribitrary-file-upload-vulnerability-in-wp-mobile-detector/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5a5d5dbd-36f0-4886-adf8-045ec9c2e306?source=cve