CVE-2022-4047
Published: December 26, 2022· Updated: Jun 17, 2026
Official Description
The Return Refund and Exchange For WooCommerce WordPress plugin before 4.0.9 does not validate attachment files to be uploaded via an AJAX action available to unauthenticated users, which could allow them to upload arbitrary files such as PHP and lead to RCE
Risk Analysis
The Return Refund and Exchange For WooCommerce plugin fails to validate file uploads, allowing unauthenticated users to upload arbitrary files. This critical flaw can lead to Remote Code Execution (RCE) on the host server.
No public exploit is currently known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low attack complexity.
Upgrade the Return Refund and Exchange For WooCommerce plugin to version 4.0.9 or higher.
Technical Analysis
CVE-2022-4047 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4047 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts