CVE-2026-15011 — The Customer Support Ticket System & Helpdesk plugin for WordPress is vulnerable to Code…¶
Key facts
CVE-2026-15011 is a Critical (9.8) vulnerability: The Customer Support Ticket System & Helpdesk plugin for WordPress is vulnerable to Code…. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-15011 |
| Severity | Critical (9.8) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-15011/ |
Details¶
English | 한국어
Description¶
The Customer Support Ticket System & Helpdesk plugin for WordPress is vulnerable to Code Injection via the 'path' parameter in all versions up to, and including, 6.0.5 due to the use of dynamic function invocation on an attacker-controlled value with insufficient validation. This makes it possible for unauthenticated attackers to invoke arbitrary parameterless PHP functions, which can be used to disrupt site functionality or expose sensitive information. The required nonce is publicly emitted via wp_localize_script whenever the plugin's [emd_form] shortcode is rendered on any public-facing page, making the endpoint reachable by unauthenticated visitors without any prior authentication or privilege.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-15011 |
| Type | RCE |
| CVSS Score | 9.8 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-15011/poc.py
Usage¶
# Run PoC against target
python3 poc.py --target <TARGET_URL>
# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>
⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.
Test Lab¶
This repository includes a Docker-based test environment with both vulnerable and patched applications.
Quick Start¶
# Clone and navigate to CVE directory
cd CVE-2026-15011
# Start both applications
docker-compose up -d
# Run tests
./run-tests.sh # Linux/Mac
./run-tests.ps1 # Windows PowerShell
Application Endpoints¶
| Application | URL | Status |
|---|---|---|
| Vulnerable App | http://localhost:8080 | Shows vulnerability |
| Patched App | http://localhost:8081 | Demonstrates fix |
Directory Structure¶
├── README.md # English documentation
├── README_KO.md # Korean documentation
├── poc.py # PoC detection script
├── docker-compose.yml # Container orchestration
├── run-tests.sh # Linux/Mac test runner
├── run-tests.ps1 # Windows test runner
├── vulnerable-app/ # Vulnerable version
│ ├── app.py
│ ├── Dockerfile
│ └── requirements.txt
└── patched-app/ # Fixed version
├── app.py
├── Dockerfile
└── requirements.txt
References¶
- https://plugins.trac.wordpress.org/browser/wp-ticket/tags/6.0.5/includes/class-install-deactivate.php#L59
- https://plugins.trac.wordpress.org/browser/wp-ticket/tags/6.0.5/includes/common-functions.php#L1040
- https://plugins.trac.wordpress.org/browser/wp-ticket/tags/6.0.5/includes/common-functions.php#L1043
- https://plugins.trac.wordpress.org/browser/wp-ticket/tags/6.0.5/includes/emd-form-builder-lite/emd-form-frontend.php#L1187
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3617122%40wp-ticket&new=3617122%40wp-ticket
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f9e2ad4b-716a-4a2d-87c0-2f351bd13884?source=cve
Generated by PoC Generator on 2026-08-11T00:31:29.867375924
Frequently asked questions¶
What is CVE-2026-15011?¶
CVE-2026-15011 is a Critical (9.8) vulnerability: The Customer Support Ticket System & Helpdesk plugin for WordPress is vulnerable to Code…. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-15011?¶
Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.
How do I block or mitigate CVE-2026-15011?¶
Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.
For authorized security testing and research only. See the full source and NVD record.