CVE-2022-4047

CVE-2022-4047 describes a critical arbitrary file upload vulnerability in the Return Refund and Exchange For WooCommerce WordPress plugin prior to version 4.0.9. This flaw allows unauthenticated attackers to upload malicious files, such as PHP scripts, via an AJAX action, potentially leading to Remote Code Execution (RCE). With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, resulting in high impacts to confidentiality, integrity, and availability. While the EPSS score indicates a high likelihood of exploitation, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB) and no evidence of active exploitation or significant community discussion.