Online Examination System v1.0 - Multiple Authenticated SQL Injections (SQLi)

8.8

High

Discovered by 

Andres Roldan

Offensive Team, Fluid Attacks

Summary

Full name

Online Examination System v1.0 - Multiple Authenticated SQL Injections (SQLi)

Code name

State

Public

Release date

Nov 2, 2023

Affected product

Online Examination System

Vendor

Projectworlds Pvt. Limited

Affected version(s)

Version 1.0

Vulnerability name

Authenticated SQL Injections (SQLi)

Vulnerability type

Remotely exploitable

Yes

CVSS v3.0 vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 base score

8.8

Exploit available

Yes

Description

Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities.

Vulnerabilities

CVE-2023-45115

The 'ch' parameter of the /update.php?q=addqns resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:

$ch=@$_GET['ch'];

for($i=1;$i<

CVE-2023-45116

The 'demail' parameter of the /update.php resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


CVE-2023-45117

The 'eid' parameter of the /update.php?q=rmquiz resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


CVE-2023-45118

The 'fdid' parameter of the /update.php resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


CVE-2023-45119

The 'n' parameter of the /update.php?q=quiz resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


CVE-2023-45120

The 'qid' parameter of the /update.php?q=quiz&step=2 resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


CVE-2023-45121

The 'desc' parameter of the /update.php?q=addquiz resource does not validate the characters received and they are sent unfiltered to the database. The vulnerable code is:


Our security policy

We have reserved the IDs CVE-2023-45115, CVE-2023-45116, CVE-2023-45117, CVE-2023-45118, CVE-2023-45119, CVE-2023-45120 and CVE-2023-45121 to refer to these issues from now on.

Disclosure policy

System Information

  • Version: Online Examination System v1.0

  • Operating System: Any

Mitigation

There is currently no patch available for this vulnerability.

References

Timeline

Vulnerability discovered

Oct 4, 2023

Vendor contacted

Oct 4, 2023

Public disclosure

Nov 2, 2023

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Fluid Attacks' solutions enable organizations to identify, prioritize, and remediate vulnerabilities in their software throughout the SDLC. Supported by AI, automated tools, and pentesters, Fluid Attacks accelerates companies' risk exposure mitigation and strengthens their cybersecurity posture.

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© 2025 Fluid Attacks. We hack your software.

Fluid Attacks' solutions enable organizations to identify, prioritize, and remediate vulnerabilities in their software throughout the SDLC. Supported by AI, automated tools, and pentesters, Fluid Attacks accelerates companies' risk exposure mitigation and strengthens their cybersecurity posture.

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© 2025 Fluid Attacks. We hack your software.