CVE-2026-78054

MEDIUM 4.3

SourceCodester Class and Exam Timetabling System BSIS1.php cross site scripting

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /BSIS1.php. Executing a manipulation of the argument course can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CWE	CWE-79 CWE-94
Vendor	sourcecodester
Product	class and exam timetabling system
Published	Aug 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

SourceCodester / Class and Exam Timetabling System

1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/394295 vuldb.com: https://vuldb.com/vuln/394295/cti vuldb.com: https://vuldb.com/cve/CVE-2026-78054 vuldb.com: https://vuldb.com/submit/881417 github.com: https://github.com/i-QvQ-i/first-OvO/issues/10 sourcecodester.com: https://www.sourcecodester.com/

Credits

🔍 i-OvO-i (VulDB User)