Overview
In the cybersecurity landscape, vulnerabilities that allow unauthorized privilege escalation are among the most disruptive and dangerous. CVE-2025-49867 is such a vulnerability, discovered in the RealHomes theme by InspiryThemes. This vulnerability is critical as it could potentially allow an attacker to escalate their privileges and compromise the system or leak sensitive data. The vulnerability affects all versions of RealHomes up to version 4.4.0.
Vulnerability Summary
CVE ID: CVE-2025-49867
Severity: Critical (CVSS: 9.8)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
RealHomes by InspiryThemes | Up to and including 4.4.0
How the Exploit Works
The vulnerability arises from an incorrect privilege assignment within the RealHomes theme. An attacker can exploit this vulnerability by sending a specially crafted request to the server, causing the server to erroneously grant elevated privileges to the attacker’s account. With these elevated privileges, the attacker can then perform actions that are typically reserved for administrators or other high-privilege users, potentially leading to system compromise or sensitive data leakage.
Conceptual Example Code
This is a conceptual example of how an attacker might exploit the vulnerability. Note that this is a simplified example and actual exploit code would be more complex.
POST /user/upgrade HTTP/1.1
Host: target.example.com
Content-Type: application/json
User-Agent: MaliciousUser
{
"user_id": "attackerID",
"upgrade_to": "admin"
}In this example, the attacker sends a JSON payload to the `/user/upgrade` endpoint, requesting an upgrade of their user account to an admin account. Due to the vulnerability in the RealHomes theme, the server incorrectly processes this request and grants the attacker’s account admin privileges.
Recommended Mitigation
The most straightforward mitigation for this vulnerability is to apply the vendor-supplied patch. In scenarios where the patch cannot be applied immediately, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation measures while the patch is being deployed.
Remember, staying updated with the latest patches and security measures is a crucial part of maintaining a strong cybersecurity posture. By minimizing the window of opportunity for an attacker to exploit vulnerabilities, you can ensure your systems and data remain secure.