CVE-2026-100894
Received Received - Intake

SQL Injection in CloudClassroom PHP Project

Publication date: 2026-09-28

Last updated on: 2026-09-28

Assigner: VulDB

Description
A vulnerability was identified in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This issue affects some unknown processing of the file updateguest.php. The manipulation of the argument gname leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-28
Last Modified
2026-09-28
Generated
2026-09-28
AI Q&A
2026-09-28
EPSS Evaluated
N/A
NVD
CVE-2026-100894
EUVD
EUVD-2026-88058

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mathurvishal cloudclassroom-php-project to 5dadec098bfbbf3300d60c3494db3fb95b66e7be (inc)

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 mathurvishal CloudClassroom-PHP-Project. It exists in the updateguest.php file where the gname argument is improperly handled. An attacker can manipulate this input to execute malicious SQL commands remotely. The exploit is publicly available, increasing the risk of attacks.

Detection Guidance

Detecting SQL injection vulnerabilities like this one typically involves checking for unusual input handling in web applications. Look for requests to updateguest.php with parameters like gname that may contain SQL syntax. Use tools like sqlmap to test for injection points or monitor web server logs for suspicious queries.

Impact Analysis

If you use the affected CloudClassroom-PHP-Project, an attacker could steal, modify, or delete sensitive data from your database. They might also gain unauthorized access to user accounts or bypass authentication. The public availability of the exploit makes it easier for attackers to target unpatched systems.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA by exposing personal or health data. GDPR requires protecting personal data, and HIPAA mandates safeguarding health information. A breach could result in legal penalties, fines, or reputational damage due to unauthorized data access or loss.

Mitigation Strategies

Immediately remove or disable the updateguest.php file if it is not essential. Apply input validation and parameterized queries to all user inputs. Update to the latest version if available, though the vendor did not respond. Monitor network traffic for signs of exploitation attempts.

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