CVE-2026-100312
Received Received - Intake

SQL Injection in CloudClassroom PHP Project

Publication date: 2026-09-26

Last updated on: 2026-09-26

Assigner: VulDB

Description
A security flaw has been discovered in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. The impacted element is an unknown function of the file /updateguest.php. Performing a manipulation of the argument gname/editassid results in sql injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-26
Last Modified
2026-09-26
Generated
2026-09-26
AI Q&A
2026-09-26
EPSS Evaluated
N/A
NVD
CVE-2026-100312
EUVD
EUVD-2026-87545

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.
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.

Attack-Flow Graph

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Executive Summary

This vulnerability is a SQL injection flaw in the CloudClassroom PHP Project. It exists in the /updateguest.php file where user input for the gname parameter is directly used in SQL queries without proper sanitization. Attackers can manipulate this input to execute arbitrary SQL commands, potentially accessing or modifying database contents.

Detection Guidance

To detect this SQL injection vulnerability, monitor network traffic for requests to /updateguest.php with suspicious parameters like gname or editassid containing SQL syntax such as quotes, semicolons, or keywords like UNION, SELECT, or DROP. Check application logs for unusual database queries or errors. Use tools like SQLmap to test endpoints for injection flaws.

Impact Analysis

If exploited, this vulnerability could allow attackers to extract sensitive data from the database, steal user credentials, or alter database records. It requires authentication and remote access but could lead to full data compromise if successful.

Compliance Impact

This vulnerability could violate compliance requirements like GDPR or HIPAA by enabling unauthorized access to personal or health data. Organizations using this software may face legal penalties for failing to protect sensitive information.

Mitigation Strategies

Immediately restrict access to /updateguest.php by blocking the endpoint via firewall or web server rules. Implement input validation and sanitization for all user-supplied data, especially gname and editassid parameters. Use prepared statements with parameterized queries to prevent SQL injection. Monitor for exploitation attempts and update the application if a patch becomes available.

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