Overview
The vulnerability in question, identified as CVE-2025-29459, has been detected in the MyBB 1.8.38 forum software. This vulnerability can potentially allow a remote attacker to gain access to sensitive information through the Mail function. This issue is significant as it can lead to a system compromise or data leakage if successfully exploited, posing a serious threat to the security of the products and systems that use this software.
Vulnerability Summary
CVE ID: CVE-2025-29459
Severity: High, CVSS Severity Score: 7.6
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
Escape the Surveillance Era
Most apps won’t tell you the truth.
They’re part of the problem.
Phone numbers. Emails. Profiles. Logs.
It’s all fuel for surveillance.
Ameeba Chat gives you a way out.
- • No phone number
- • No email
- • No personal info
- • Anonymous aliases
- • End-to-end encrypted
Chat without a trace.
Product | Affected Versions
MyBB | 1.8.38
How the Exploit Works
The vulnerability lies within the Mail function of the MyBB 1.8.38 software. A remote attacker can exploit this by sending a specially crafted email that triggers the vulnerability, thus granting them access to sensitive information. This information could be used for further attacks or to cause harm to the running systems.
Conceptual Example Code
The following is a hypothetical example of how the vulnerability might be exploited. This is a conceptual email that carries a malicious payload:
POST /MailFunction HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "specially_crafted_email_content" }Mitigation Measures
To mitigate this vulnerability, users of the affected software are advised to apply the patch provided by the vendor. As a temporary measure, Web Applications Firewalls (WAF) or Intrusion Detection Systems (IDS) can be employed to detect and prevent potential exploit attempts.
