SQL Injection in Sourcecodester Class And Exam Timetabling System
CVE-2026-86220
A vulnerability was detected in SourceCodester Class and Exam Timetabling System 1.0. The affected element is the function mysqli_query of the file /admin/modal_add_course.php. The manipulation of the argument course results in sql injection. The attack can be launched remotely. The exploit is now public and may be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Sourcecodester Class And Exam Timetabling System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/399373 (technical-description, vdb-entry)
- vuldb.com/vuln/399373/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86220 (third-party-advisory)
- vuldb.com/submit/897734 (third-party-advisory)
- github.com/justconter/_CVE/issues/1 (issue-tracking, exploit)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-86220?
- CVE-2026-86220 is a high-severity vulnerability in Sourcecodester Class And Exam Timetabling System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-06.
- How severe is CVE-2026-86220?
- High severity. CVSS v3 base score is 7.3 out of 10.