File Upload Vulnerability in Contact Form to Any API Plugin by WordPress
CVE-2026-18946

7.5HIGH

Key Information:

Vendor

WordPress
Status
Contact Form To Any Api
Vendor
CVE Published:
10 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-18946?

The Contact Form to Any API plugin for WordPress prior to version 3.0.7 has a security flaw that results from not generating random filenames when files are uploaded via contact forms. This oversight allows unauthorized users to list and download files submitted by others, which could lead to data leakage and unauthorized access to sensitive information.

Affected Version(s)

Contact Form to Any API 0 < 3.0.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-18946 - Proof of Concept

References

https://wpscan.com/vulnerability/fa13ebbb-8eea-492d-8f59-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Farid Narimanov
WPScan
.