# CVE-2026-86220: SourceCodester Class and Exam Timetabling System SQL injection in course parameter

Source: https://junglewise.ai/threats/cve-2026-86220-sourcecodester-class-and-exam-timetabling-system-sql-injection-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-06. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-86220 · Severity: high · CVSS 7.3 · Published 2026-09-06

SourceCodester Class and Exam Timetabling System is a web application for managing school class schedules and exam timetables. A SQL injection vulnerability in the course parameter of the admin panel allows remote attackers to execute arbitrary database queries, potentially exposing or modifying sensitive academic data and student information without authentication.

Technologies: [SourceCodester Class and Exam Timetabling System](https://junglewise.ai/threats/technologies/class-and-exam-timetabling-system). Vendors: [SourceCodester](https://junglewise.ai/threats/vendors/sourcecodester).

## Quick answers

**Is CVE-2026-86220 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-86220 being exploited in the wild.

**How severe is CVE-2026-86220?** High severity, with a CVSS score of 7.3, published 6 September 2026.

**Which products and versions are affected?** SourceCodester Class and Exam Timetabling System 1.0.

**Is there a fix for CVE-2026-86220?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-86220 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-86220?** Check whether you run SourceCodester Class and Exam Timetabling System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A SQL injection vulnerability exists in the mysqli_query function call within the /admin/modal_add_course.php file. The vulnerability is triggered through improper sanitization of the "course" parameter, allowing an attacker to inject arbitrary SQL commands. The affected component is the administrative course creation functionality, which is network-accessible and requires no authentication. A successful exploit enables an attacker to read, modify, or delete database records, potentially compromising the integrity and confidentiality of the timetabling system. Patches or updates for this vulnerability have not been confirmed as available.

## Affected products

- SourceCodester Class and Exam Timetabling System 1.0

## Timeline

- 2026-09-06: disclosed

## References

- [https://github.com/justconter/_CVE/issues/1](https://github.com/justconter/_CVE/issues/1)
- [https://vuldb.com/cve/CVE-2026-86220](https://vuldb.com/cve/CVE-2026-86220)

## Related threats

- [SourceCodester Class and Exam Timetabling System XSS in subject parameter](https://junglewise.ai/threats/cve-2026-90615-sourcecodester-class-and-exam-timetabling-system-xss-in-subject)
- [SourceCodester Class and Exam Timetabling System SQL injection in /delete_subject.php](https://junglewise.ai/threats/cve-2026-86298-sourcecodester-class-and-exam-timetabling-system-sql-injection-in)
- [SourceCodester Class and Exam Timetabling System SQL injection in room management](https://junglewise.ai/threats/cve-2026-86225-sourcecodester-class-and-exam-timetabling-system-sql-injection-in)
- [SourceCodester Class and Exam Timetabling System SQL injection in product modal](https://junglewise.ai/threats/cve-2026-86224-sourcecodester-class-and-exam-timetabling-system-sql-injection-in)
- [SourceCodester Class and Exam Timetabling System SQL injection in course parameter](https://junglewise.ai/threats/cve-2026-86223-sourcecodester-class-and-exam-timetabling-system-sql-injection-in)