Vulnerability report

Trusted Third Party Report High Confidence Not in CISA KEV

CVE-2016-15043

WP Mobile Detector <= 3.5 - Arbitrary File Upload

Websitez.com / WP Mobile Detector · * to <= 3.5

Watch CVE-2016-15043 Browse KEV feed
Severity
CVSS 9.8 · Critical
Confidence
High
Exploit status
Trusted Third Party Report
EPSS
8.9%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2016-15043 is an unauthenticated WP Mobile Detector <= 3.5 - Arbitrary File Upload.

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Also reported by third-party sources. Confidence is high.

Who is affected?

Websitez.com / WP Mobile Detector * to <= 3.5.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

WP Mobile Detector <= 3.5 - Arbitrary File Upload

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.

Websitez.com, LLC Affected
WP Mobile Detector
Through 3.5
Published
19 Jul 2025
Exploitation Attempts Reported
17 Sep 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

wordpress php nuclei_scanner metasploit_scanner

CVE References

Exploitation evidence

Evidence of exploitation attempts

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploitation Attempts Observed in the Wild

The Shadowserver

Recorded 17 Sep 2026

A trusted third party reported exploitation attempts.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
The Shadowserver First 2026-09-17 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-15043.yaml 01 Jun 2026
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/wp_mobile_detector_upload_execute.rb 31 May 2016

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

8.9%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Unrestricted Upload of File with Dangerous Type CWE-434

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

WP Mobile Detector <= 3.5 - Unrestricted File Upload

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation attempts

  1. 00:00 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party report of exploitation attempts

  2. 14:20 UTC

    Public PoC available

    Public proof-of-concept code published

  3. 15:34 UTC

    Nuclei template available

    Scanner coverage available

  4. 09:23 UTC

    CVE published

    Vulnerability disclosed publicly

  5. 21:13 UTC

    CVE ID reserved

    Identifier reserved by the CNA

  6. 00:00 UTC

    Metasploit module available

    Exploit module available

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2016-15043

Sample API response 
{
  "cve_id": "CVE-2016-15043",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.08886,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}