A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /forexam.php. The manipulation of the argument day results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Sourcecodester
  • Class And Exam Timetabling System

No data.

No data.

References
Link Providers
https://github.com/justconter/cve/issues/3 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-16156 cve-icon cve-icon
https://vuldb.com/submit/857081 cve-icon cve-icon
https://vuldb.com/vuln/379921 cve-icon cve-icon
https://vuldb.com/vuln/379921/cti cve-icon cve-icon
https://www.sourcecodester.com/ cve-icon cve-icon
History

Tue, 21 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sat, 18 Jul 2026 21:30:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /forexam.php. The manipulation of the argument day results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
Title SourceCodester Class and Exam Timetabling System forexam.php cross site scripting
First Time appeared Sourcecodester
Sourcecodester class And Exam Timetabling System
Weaknesses CWE-79
CWE-94
CPEs cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*
Vendors & Products Sourcecodester
Sourcecodester class And Exam Timetabling System
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-07-18T21:00:10.097Z

Updated: 2026-07-21T14:58:44.621Z

Reserved: 2026-07-17T19:34:13.229Z

Link: CVE-2026-16156

cve-icon Vulnrichment

Updated: 2026-07-21T13:40:29.327Z

cve-icon NVD

Status : Deferred

Published: 2026-07-18T22:16:43.667

Modified: 2026-07-21T16:17:05.800

Link: CVE-2026-16156

cve-icon Redhat

No data.