CVE-2023-45603 CRITICAL

CVE-2023-45603: WordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File Upload

Vendor Jeff Starr
Product User Submitted Posts – Enable Users to Submit Posts from the Front End
Weakness CWE-434 · Unrestricted file upload
Published December 20, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Jeff Starr User Submitted Posts – Enable Users to Submit Posts from the Front End.This issue affects User Submitted Posts – Enable Users to Submit Posts from the Front End: from n/a through 20230902.

Key dates

02Disclosure timeline

December 20, 2023 CVE published
April 28, 2026 Record updated