CVE-2025-6222

Critical

Published: 18 July 2025

Published

18 July 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0071 72.3th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-6222 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Codecanyon (inferred from references). Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 27.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match

prevent

Requires timely remediation of the arbitrary file upload flaw in the WooCommerce theme's 'ced_rnx_order_exchange_attach_files' function by patching to versions beyond 3.2.6.

SI-10 Information Input Validation good match

prevent

Mandates validation of information inputs such as file types in upload functions to block arbitrary file uploads exploited in this CVE.

SI-3 Malicious Code Protection partial match

preventdetect

Deploys malicious code protection mechanisms to scan and prevent execution of arbitrary files uploaded via the vulnerable function.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1105 Ingress Tool Transfer Command And Control

Adversaries may transfer tools or other files from an external system into a compromised environment.

attack.mitre.org →

T1505.003 Web Shell Persistence

Adversaries may backdoor web servers with web shells to establish persistent access to systems.

attack.mitre.org →

Why these techniques?

Arbitrary unauthenticated file upload in public-facing WordPress plugin directly enables remote exploitation of the web app (T1190), ingress of malicious files (T1105), and deployment of web shells for RCE (T1505.003).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

The WooCommerce Refund And Exchange with RMA - Warranty Management, Refund Policy, Manage User Wallet theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'ced_rnx_order_exchange_attach_files' function in all versions up to, and…

including, 3.2.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Deeper analysisAI

CVE-2025-6222 is an arbitrary file upload vulnerability in the WooCommerce Refund And Exchange with RMA - Warranty Management, Refund Policy, Manage User Wallet theme for WordPress, affecting all versions up to and including 3.2.6. The flaw arises from missing file type validation in the 'ced_rnx_order_exchange_attach_files' function, allowing attackers to upload arbitrary files to the affected site's server. It is classified under CWE-434 and carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity.

Unauthenticated attackers can exploit this vulnerability remotely with low complexity and no user interaction or privileges required. Successful exploitation enables the upload of malicious files, which may lead to remote code execution on the server.

Advisories and mitigation guidance are provided by Wordfence in their threat intelligence report and in the plugin's changelog on CodeCanyon. Security practitioners should consult these references for patching instructions and updates beyond version 3.2.6.