WordPress 4ECPS Web Forms Plugin <= 0.2.18 - Arbitrary File Upload vulnerability

10 CVSS

Vulnerability Description

Unrestricted Upload of File with Dangerous Type vulnerability in jumpdemand 4ECPS Web Forms 4ecps-webforms allows Upload a Web Shell to a Web Server.This issue affects 4ECPS Web Forms: from n/a through <= 0.2.18.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/4ecps-webforms/vulnerability/wordpress-4ecps-web-forms-plugin-0-2-18-arbitrary-file-upload-vulnerability?_s_id=cve

Affected Vendor

jumpdemand

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Affected Software

4ECPS Web Forms

Vulnerable Versions:

Timeline

Official Publish: January 9th, 2025

Last Modified: May 11th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1505.003 Web Shell

Persistence

T1105 Ingress Tool Transfer

Command and Control

T1059 Command and Scripting Interpreter

Execution

T1565.002 Stored Data Manipulation

Impact