Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
SourceCodester Class and Exam Timetabling System edit_subject.php sql injection
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N L L L 5.5 .0026 18.3 —
AFFECTED
Product Versions Fixed
Class and Exam Timetabling System 1.0 – —
TIMELINE
Jul 18 Reserved by VulDB
Jul 19 EXPLOIT PUBLISHED — CVE-2026-16227 (SourceCodester Class and Exam Timetabling System). Public exploit reference added.
Jul 19 Published (CNA: VulDB)
Jul 22 RESCORED — CVE-2026-16227 (SourceCodester Class and Exam Timetabling System). CVSS 6.9 → 5.5 (NVD).
Description
A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. This impacts an unknown function of the file /edit_subject.php. Such manipulation of the argument ID leads to sql injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
| July 18, 2026 | Reserved | Reserved by VulDB |
| July 19, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16227 (SourceCodester Class and Exam Timetabling System). Public exploit reference added. |
| July 19, 2026 | Published | Published (CNA: VulDB) |
| July 22, 2026 | RESCORED | RESCORED — CVE-2026-16227 (SourceCodester Class and Exam Timetabling System). CVSS 6.9 → 5.5 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| SourceCodester | Class and Exam Timetabling System | — | 1.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16227 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.