Cross-Site Scripting Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-78055

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
23 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78055?

A cross-site scripting vulnerability has been discovered in the SourceCodester Class and Exam Timetabling System version 1.0. The vulnerability lies in the manipulation of an unspecified argument within the file /BSIT2.php, which allows attackers to execute arbitrary JavaScript in the context of the user's browser. This could potentially lead to data theft, session hijacking, or other malicious actions. The vulnerability has been publicly disclosed, making it imperative for users to assess their risk and apply necessary mitigations.

Affected Version(s)

Class and Exam Timetabling System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-78055 - Proof of Concept

References

https://vuldb.com/vuln/394296
vdb-entrytechnical-description
https://vuldb.com/vuln/394296/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78055
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

i-OvO-i (VulDB User)
.