User Submitted Posts <= 20230902 - Unauthenticated Arbitrary File Upload

9.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2023-45603
CVSS 9.8 (Critical)
Publicly Published October 10, 2023
Last Updated October 13, 2023
Researcher Rafie Muhammad - Patchstack

Description

The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_attach_images function in versions up to, and including, 20230902. This makes it possible for unauthenticatedattackers to upload arbitrary files as long as the extension does not contain 'php' on the affected site's server which may make remote code execution possible.

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Vulnerability Details for User Submitted Posts – Enable Users to Submit Posts from the Front End

Software Type Plugin
Software Slug user-submitted-posts (view on wordpress.org)
Patched? Yes
Remediation Update to version 20230914, or a newer patched version
Affected Version
  • <= 20230902
Patched Version
  • 20230914

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