VDB-433180 · Submit #1041014 · CVE-2026-125076

SourceCodester Smart Attendance System with QR Code Scanner 1.0 JSON Endpoint attendance_handler.php student_code missing authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$0-$5k	0.24+

Summaryinfo

A vulnerability was found in SourceCodester Smart Attendance System with QR Code Scanner 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file api/attendance_handler.php of the component JSON Endpoint. Executing a manipulation of the argument student_code can lead to missing authentication. This vulnerability is registered as CVE-2026-125076. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in SourceCodester Smart Attendance System with QR Code Scanner 1.0. This vulnerability affects some unknown processing of the file api/attendance_handler.php of the component JSON Endpoint. The manipulation of the argument student_code with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-125076. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. By approaching the search of inurl:api/attendance_handler.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

SourceCodester

Name

Smart Attendance System with QR Code Scanner

Version

License

free

Website

Vendor: https://www.sourcecodester.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/09/2026 Advisory disclosed
11/09/2026 +0 days VulDB entry created
11/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: sourcecodester.com

Advisory: github.com
Status: Confirmed

CNA: VulDB
CVE: CVE-2026-125076 (🔒)

GCVE (CVE): GCVE-0-2026-125076
GCVE (VulDB): GCVE-100-433180
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/09/2026 18:01
Changes: 11/09/2026 18:01 (56)
Complete: 🔍
Submitter: yuechuya
Cache ID: 216::103

Submitinfo

Accepted

Submit #1041014: SourceCodester Smart Attendance System with QR Code Scanner 1.0 Missing Authentication for Critical Function (by yuechuya)