Webhooks <= 3.3.8 - Unauthenticated Arbitrary File Upload

2025-12-12 00:00

Strategic Overview

Status

Patched in 3.3.9

Affected PluginWP Webhooks – Automate repetitive tasks by creating powerful automation workflows directly within WordPress

Affected Version<= 3.3.8

CVSS9.8Critical

CVECVE-2025-66074

View all WP Webhooks – Automate repetitive tasks by creating powerful automation workflows directly within WordPress vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 3.3.9, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2025-66074 https://www.wordfence.com/threat-intel/vulnerabilities/id/7e402e3e-7b11-4931-8a4b-a80d26b9eb04

CVSS Vector

9.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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