CVE-2024-50530 CRITICAL

CVE-2024-50530: WordPress Stars SMTP Mailer plugin <= 2.2.1 - Arbitrary File Upload vulnerability

Vendor Myriad Solutionz
Product Stars SMTP Mailer
Weakness CWE-434 · Unrestricted file upload
Published November 4, 2024
Last update April 28, 2026

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Myriad Solutionz Stars SMTP Mailer stars-smtp-mailer allows Upload a Web Shell to a Web Server.This issue affects Stars SMTP Mailer: from n/a through <= 2.2.1.

Explanation of Vulnerability in Simple Terms

02Summary

Stars SMTP Mailer versions 2.2.1 and earlier allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files to the server, potentially gaining control over the site. The vulnerability affects confidentiality, integrity, and availability of the affected system.

What an attacker can do

03Attacker Capabilities

Upload malicious files to the server and execute code with site-level privileges.

Potential impact on your site

04Site Impact

A compromised user account can lead to full site takeover, data theft, or malware installation.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

November 4, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE