CVE-2024-27957 CRITICAL

CVE-2024-27957: WordPress Pie Register plugin <= 3.8.3.1 - Unauthenticated Arbitrary File Upload vulnerability

Vendor Pie Register

Product Pie Register

Weakness CWE-434 · Unrestricted file upload

Published March 17, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

10.0/10

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:C/C:H/I:H/A:H

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Pie Register.This issue affects Pie Register: from n/a through 3.8.3.1.

Explanation of Vulnerability in Simple Terms

02Summary

Pie Register versions up to 3.8.3.1 allow unauthenticated attackers to upload arbitrary files to the server without restriction. An attacker can upload malicious files—such as PHP scripts—directly over the network, gaining the ability to run code on the site and compromise it completely. No user interaction or special privileges are required.

What an attacker can do

03Attacker Capabilities

Upload arbitrary files and run malicious code on the site without authentication.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can execute code, steal data, modify content, and take full control.

Conditions required to exploit

05Prerequisites

Network access only; no authentication, user interaction, or special privileges required.

Key dates

06Disclosure timeline

March 17, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-27957 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/434.html AskarLabs — CWE-434 write-up Unrestricted Upload of File with Dangerous Type

Related vulnerabilities