What is CVE-2016-15043?

CVE-2016-15043 is a critical-severity vulnerability in Websitez.com, Llc Wp Mobile Detector, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-07-19.

How severe is CVE-2016-15043?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-15043 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Websitez.com, Llc Wp Mobile Detector

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.

Vulnerability class: Unrestricted File Upload

Published 2025-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.078 (94.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.100 · newest: 0.078 · change: -0.022

Affected products

Websitez.com, Llc Wp Mobile Detector — versions 0
Wp Mobile Detector Project

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

www.wordfence.com/threat-intel/vulnerabilities/id/5a5d5dbd-36f0-4886-adf8-045ec… (Third Party Advisory)
blog.sucuri.net/2016/06/wp-mobile-detector-vulnerability-being-exploited-in-the… (Exploit, Press/Media Coverage)
www.pluginvulnerabilities.com/2016/05/31/aribitrary-file-upload-vulnerability-i… (Exploit, Third Party Advisory)
wordpress.org/plugins/wp-mobile-detector/changelog/ (Product)
wpscan.com/vulnerability/e4739674-eed4-417e-8c4d-2f5351b057cf (Exploit, Third Party Advisory)
aadityapurani.com/2016/06/03/mobile-detector-poc/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2016-15043?: CVE-2016-15043 is a critical-severity vulnerability in Websitez.com, Llc Wp Mobile Detector, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-07-19.
How severe is CVE-2016-15043?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-15043 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.