CVE-2025-58996 CRITICAL

CVE-2025-58996: WordPress Advanced Settings Plugin <= 3.1.1 - Arbitrary File Upload Vulnerability

Vendor Helmut Wandl
Product Advanced Settings
Weakness CWE-434 · Unrestricted file upload
Published November 6, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Helmut Wandl Advanced Settings advanced-settings allows Upload a Web Shell to a Web Server.This issue affects Advanced Settings: from n/a through <= 3.1.1.

Explanation of Vulnerability in Simple Terms

02Summary

Advanced Settings versions 3.1.1 and earlier allow authenticated administrators to upload files without proper validation. An attacker with admin privileges can upload malicious files that affect the confidentiality, integrity, and availability of the site and potentially other systems. The vulnerability requires high-level access but has broad impact due to changed scope.

What an attacker can do

03Attacker Capabilities

Upload malicious files to compromise site data, modify content, or disrupt service.

Potential impact on your site

04Site Impact

A compromised admin account can upload files to damage your site's integrity, steal data, or take the site offline.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the site.

Key dates

06Disclosure timeline

November 6, 2025 CVE published
April 28, 2026 Record updated