In short
- CVE-2024-47836 is a MEDIUM (CVSS 4.3) vulnerability affecting admidio/admidio, admidio (admidio).
- Chance of exploitation in the next 30 days (EPSS): 0.51%, higher than 43.6% of all vulnerabilities.
- Fix: update to 4.3.12 or later.
Description
Summary
An unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server.
PoC
- Go to
https://www.admidio.org/demo_en/adm_program/modules/messages/messages.php
- Click on Send Private Message
- In the
Message field, enter the following payload
Testing<br><h1>HTML</h1><br><h2>Injection</h2>
- Send the message
- Open the message again
Impact
- Data Theft: Stealing sensitive information like cookies, session tokens, and user credentials.
- Session Hijacking: Gaining unauthorized access to user accounts.
- Phishing: Tricking users into revealing sensitive information.
- Website Defacement: Altering the appearance or content of the website.
- Malware Distribution: Spreading malware to users' devices.
- Denial of Service (DoS): Overloading the server with malicious requests.
NVD description
Admidio is an open-source user management solution. Prior to version 4.3.12, an unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server. Version 4.3.12 fixes this issue.
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