CVE-2019-25138 CRITICAL

CVE-2019-25138: User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload

Vendor Specialk
Product User Submitted Posts – Enable Users to Submit Posts from the Front End
Weakness CWE-434 · Unrestricted file upload
Published June 7, 2023
Last update April 8, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_check_images function in versions up to, and including, 20190312. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Key dates

02Disclosure timeline

June 7, 2023 CVE published
April 8, 2026 Record updated