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Fencer Intel
critical 9.8

CVE-2016-15043 json

WP Mobile Detector <= 3.5 - Arbitrary File Upload

published 2025-07-19 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2016-10788

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
8.9%
EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Metasploit, plus a Nuclei check

Summary

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.

Timeline

  1. First public exploit (Metasploit exploit/unix/webapp/wp_mobile_detector_upload_execute)
  2. Published

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
15 mo ago

Exploit prediction

8.89% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/unix/webapp/wp_mobile_detector_upload_execute WordPress WP Mobile Detector 3.5 Shell Upload metasploit exploit, excellent rank, 2016-05-31
  • Nuclei template WP Mobile Detector <= 3.5 - Unrestricted File Upload nuclei detection template
  • blog.sucuri.net https://blog.sucuri.net/2016/06/wp-mobile-detector-vulnerability-being-exploited-in-the-wild.html referenced PoC, tagged "exploit" by a source, unverified
  • pluginvulnerabilities.com https://www.pluginvulnerabilities.com/2016/05/31/aribitrary-file-upload-vulnerability-in-wp-mobile-detector/ referenced PoC, tagged "exploit" by a source, unverified
  • wpscan.com https://wpscan.com/vulnerability/e4739674-eed4-417e-8c4d-2f5351b057cf referenced PoC, tagged "exploit" by a source, unverified
  • aadityapurani.com https://aadityapurani.com/2016/06/03/mobile-detector-poc/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Websitez.com, LLC WP Mobile Detector

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.