CVE-2026-7578 — The Function Install Of The File /Admi.Php/Admin/Addon/Add.H Unrestricted File Upload
CVE-2026-7578 — A weakness has been identified in MacCMS Pro up to 2022.1.3. This vulnerability affects the function install of the file /admi.php/admin/addon/add.html of the component Plugin Installation Handler. Executing a manipulation can lead to unrestricted upload. The attack may be performed
What This Means For You
- If your environment is affected by CWE-284, CWE-434, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7578 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-7578 - Unrestricted File Upload via Addon Installation
title: CVE-2026-7578 - Unrestricted File Upload via Addon Installation
id: scw-2026-05-01-ai-1
status: experimental
level: critical
description: |
Detects the specific URI path and POST method used in the CVE-2026-7578 vulnerability to upload arbitrary files via the addon installation functionality in MacCMS Pro. This indicates an attempt at initial access through unrestricted file upload.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7578/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
uri|contains:
- '/admi.php/admin/addon/add.html'
cs-method:
- 'POST'
sc-status:
- '200'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7578 | vulnerability | CVE-2026-7578 |
| CWE-284 | weakness | CWE-284 |
| CWE-434 | weakness | CWE-434 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 14:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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