CVE-2025-31100 CRITICAL

CVE-2025-31100: WordPress School Management Plugin <= 1.93.1 (02-07-2025) - Arbitrary File Upload Vulnerability

Vendor Mojoomla
Product School Management
Weakness CWE-434 · Unrestricted file upload
Published August 31, 2025
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 Mojoomla School Management allows Upload a Web Shell to a Web Server.This issue affects School Management: from n/a through 1.93.1 (02-07-2025).

Explanation of Vulnerability in Simple Terms

02Summary

The Mojoomla School Management Joomla extension allows authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files to execute code on the site, compromise data, or take the site offline. The vulnerability affects all versions up to 1.93.1.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files to run code on the site, read sensitive data, or disable the site.

Potential impact on your site

04Site Impact

Any authenticated user can upload files that compromise your site's security, data, and availability.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

August 31, 2025 CVE published
April 28, 2026 Record updated