CVE-2026-6161
SQL Injection in Simple ChatBox /chatbox/insert.php Endpoint
Publication date: 2026-04-13
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| code-projects | simple_chatbox | 1.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-74 | The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. |
| CWE-89 | The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-6161 is a high-severity SQL Injection vulnerability in Simple Chatbox PHP version 1.0. It occurs in the message submission endpoint /SimpleChatbox_PHP/chatbox/insert.php, where the msg parameter from an HTTP POST request is directly inserted into an SQL query without any validation or sanitization.
This unsafe handling allows attackers to inject malicious SQL code, which can be executed by the database. For example, an attacker can use a payload that causes the server to delay its response, confirming the injection.
The root cause is that user input is trusted and concatenated directly into SQL statements, leading to improper neutralization of special SQL elements.
How can this vulnerability impact me? :
Successful exploitation of this vulnerability allows an attacker to execute arbitrary SQL queries on the backend database.
- Extract sensitive data from the database.
- Enumerate the database structure.
- Modify or delete database records.
- Potentially achieve full compromise of the backend system.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by testing the /SimpleChatbox_PHP/chatbox/insert.php endpoint for SQL injection in the msg parameter. One method is to send a specially crafted POST request with a payload that causes a time delay, such as '+(select*from(select(sleep(20)))a)+'. If the server response is delayed by approximately 20 seconds, it confirms the presence of the SQL injection vulnerability.
A sample command using curl to test this could be:
- curl -X POST -d "msg='+(select*from(select(sleep(20)))a)+" http://[target]/SimpleChatbox_PHP/chatbox/insert.php -v
Monitoring for unusual delays or errors in responses to such crafted requests can help detect exploitation attempts.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include:
- Use prepared statements with parameter binding to safely handle the msg parameter instead of directly concatenating user input into SQL queries.
- Validate and sanitize all user inputs to prevent malicious data from being processed.
- Apply least privilege principles to database permissions to limit the impact of a potential exploit.
- Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The SQL Injection vulnerability in Simple Chatbox allows attackers to execute arbitrary SQL commands, which can lead to unauthorized access, extraction, modification, or deletion of sensitive data stored in the backend database.
Such unauthorized access and potential data breaches can result in non-compliance with common standards and regulations like GDPR and HIPAA, which mandate the protection of personal and sensitive information.
Failure to protect data adequately due to this vulnerability could lead to violations of data privacy and security requirements, potentially resulting in legal penalties, reputational damage, and loss of trust.