CVE-2026-78055: Cross Site Scripting in SourceCodester Class and Exam Timetabling System
Description
CVE-2026-78055 is a cross-site scripting (XSS) vulnerability in SourceCodester Class and Exam Timetabling System version 1.0. The vulnerability exists in the /BSIT2.php file where the 'course' parameter can be manipulated to execute malicious scripts. This flaw allows remote attackers to perform XSS attacks. The vulnerability has a medium severity rating with a CVSS score of 5.3. Public exploit code has been disclosed, but no known active exploitation in the wild is reported. No patch or official remediation has been provided yet.
CVSS v4.0
Score 5.3medium
Affected software
SourceCodester
Class and Exam Timetabling System
cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
SourceCodester Class and Exam Timetabling System 1.0 contains a cross-site scripting vulnerability in the /BSIT2.php file. Specifically, the 'course' argument is improperly sanitized, allowing remote attackers to inject and execute arbitrary scripts in the context of the affected application. This vulnerability is remotely exploitable and has been publicly disclosed. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, and limited impact on confidentiality and integrity.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to session hijacking, defacement, or redirection to malicious sites. However, the impact is limited as per the CVSS vector, indicating no direct confidentiality or availability impact and only limited integrity impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying input validation or sanitization on the 'course' parameter to mitigate XSS risks. Monitor official SourceCodester channels for updates or patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-22T08:50:05.173Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8a4ee3acd9273b4909d7f6
Added to database: 08/23/2026, 01:37:39 UTC
Last enriched: 09/10/2026, 23:47:46 UTC
Last updated: 10/06/2026, 18:48:25 UTC
Views: 80
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