Overview
In this blog post, we will be examining a recent high-risk vulnerability, CVE-2025-31637, identified in the LambertGroup SHOUT application. An SQL Injection vulnerability, it has the potential to compromise the system or lead to data leaks. This vulnerability is of significant importance due to the severity of its impact, affecting versions of SHOUT through 3.5.3. Given the popularity of the LambertGroup SHOUT application among web developers, this vulnerability could potentially put a significant number of systems at risk.
Vulnerability Summary
CVE ID: CVE-2025-31637
Severity: High (CVSS: 8.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential 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
LambertGroup SHOUT | Up to and including 3.5.3
How the Exploit Works
The vulnerability lies in the improper neutralization of special elements used in an SQL command. This means that an attacker can manipulate the SQL queries that are sent to the database, potentially gaining unauthorized access to data or executing commands directly on the database.
Essentially, the application does not correctly sanitize user-supplied input before incorporating it into SQL queries. This flaw enables an attacker to insert SQL syntax into user-input fields, which can trick the application into executing unintended commands or accessing data without proper authorization.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited.
POST /search HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
searchTerm='); DROP TABLE Users;--In this example, an attacker sends a specially crafted request to the search endpoint of the application. The “searchTerm” parameter contains an SQL injection payload that, if processed by the application, would result in the “Users” table being dropped from the database.
Mitigation Guidance
The best way to mitigate the risks associated with this vulnerability is to apply the vendor patch once it becomes available. Until then, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation. These systems can be configured to filter out or alert on suspicious activity such as attempts at SQL Injection.
Furthermore, it is always recommended to follow best practices in application development, such as proper input validation and the use of parameterized queries or prepared statements, which can significantly reduce the risk of SQL Injection vulnerabilities.