Unauthenticated File Upload Vulnerability in Shopp WordPress Plugin Allows Remote Code Execution

CVE-2021-24493 · CRITICAL Severity

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

The shopp_upload_file AJAX action of the Shopp WordPress plugin through 1.4, available to both unauthenticated and authenticated user does not have any security measure in place to prevent upload of malicious files, such as PHP, allowing unauthenticated users to upload arbitrary files and leading to RCE

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