5.0
MEDIUM CVSS 2.0
CVE-2026-78054
SourceCodester Class and Exam Timetabling System BSIS1.php cross site scripting
Description

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.

INFO

Published Date :

Aug. 23, 2026, 1:17 a.m.

Last Modified :

Aug. 23, 2026, 1:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-78054 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sourcecodester class_and_exam_timetabling_system
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Remediate Cross-Site Scripting (XSS) by sanitizing user input.
  • Sanitize all user-supplied input for 'course' argument.
  • Implement output encoding for displayed data.
  • Update the application to the latest secure version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-78054.

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

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-78054 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-78054 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-78054 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 23, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*'], 'vendor': 'SourceCodester', 'product': 'Class and Exam Timetabling System', 'versions': [{'status': 'affected', 'version': '1.0'}]}]
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Reference https://github.com/i-QvQ-i/first-OvO/issues/10
    Added Reference https://vuldb.com/cve/CVE-2026-78054
    Added Reference https://vuldb.com/submit/881417
    Added Reference https://vuldb.com/vuln/394295
    Added Reference https://vuldb.com/vuln/394295/cti
    Added Reference https://www.sourcecodester.com/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.