Webhooks <= 3.3.8 - Unauthenticated Arbitrary File Upload
| CVE | CVE-2025-66074 |
|---|---|
| CVSS | 9.8 (Critical) |
| Publicly Published | December 12, 2025 |
| Last Updated | December 19, 2025 |
| Researcher |
Phat RiO
|
Description
The WP Webhooks – Automate repetitive tasks by creating powerful automation workflows directly within WordPress plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 3.3.8. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.
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Vulnerability Details for WP Webhooks – Automate repetitive tasks by creating powerful automation workflows directly within WordPress
| Software Type | Plugin |
|---|---|
| Software Slug | wp-webhooks (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.3.9, or a newer patched version |
| Affected Version |
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| Patched Version |
|
Recent vulnerabilities in WP Webhooks – Automate repetitive tasks by creating powerful automation workflows directly within WordPress
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Webhooks <= 3.3.8 - Authenticated (Administrator+) PHP Object Injection | CVE-2025-66073 | Phat RiO | November 26, 2025 | |
| 2 | WP Webhooks <= 3.3.5 - Unauthenticated Arbitrary File Copy | CVE-2025-8895 | Phat RiO | August 20, 2025 |
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