CVE-2025-6220

HIGH

Ultra Addons for Contact Form 7 <3.5.12 - File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-6220. PoCs published by d0n601.

AI-analyzed exploit summary This exploit demonstrates an authenticated arbitrary file upload vulnerability in the Ultimate Addons for Contact Form 7 WordPress plugin, allowing administrators to upload a PHP web shell for remote command execution.

Description

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_options' function in all versions up to, and including, 3.5.12. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Exploits (1)

nomisec WORKING POC
by d0n601 · poc
https://github.com/d0n601/CVE-2025-6220

This exploit demonstrates an authenticated arbitrary file upload vulnerability in the Ultimate Addons for Contact Form 7 WordPress plugin, allowing administrators to upload a PHP web shell for remote command execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ultimate Addons for Contact Form 7 <= 3.5.12
Auth required
Prerequisites: WordPress administrator credentials · Target running vulnerable plugin version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 7.2
EPSS 0.0093
EPSS Percentile 55.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (2)
themefic/ultimate_addons_for_contact_form_7 < 3.5.13
themefic/Ultra Addons for Contact Form 7 < 3.5.12
Published Jun 18, 2025
Tracked Since Feb 18, 2026