Arbitrary File Upload Vulnerability in Ultra Addons for Contact Form 7 Plugin by WordPress
CVE-2025-6220
7.2HIGH
What is CVE-2025-6220?
The Ultra Addons for Contact Form 7 plugin for WordPress has a critical flaw that allows authenticated users with Administrator-level access to upload arbitrary files to the server. This vulnerability arises from inadequate file type validation in the 'save_options' function, present in all versions up to and including 3.5.12. If exploited, it could enable remote code execution and compromise the security of the affected site.
Affected Version(s)
Ultra Addons for Contact Form 7 * <= 3.5.12
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.
References
CVSS V3.1
Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
Ryan Kozak