Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-78054
SourceCodester Class and Exam Timetabling System BSIS1.php cross site scripting
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P N L N 2.1 .0047 38.5 —
AFFECTED
Product Versions Fixed
Class and Exam Timetabling System 1.0 – —
TIMELINE
Aug 22 Reserved by VulDB
Aug 23 EXPLOIT PUBLISHED — CVE-2026-78054 (SourceCodester Class and Exam Timetabling System). Public exploit reference added.
Aug 23 Published (CNA: VulDB)
Aug 26 EXPLOIT PUBLISHED — CVE-2026-78054 (SourceCodester Class and Exam Timetabling System). Public exploit reference 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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 22, 2026 | Reserved | Reserved by VulDB |
| August 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-78054 (SourceCodester Class and Exam Timetabling System). Public exploit reference added. |
| August 23, 2026 | Published | Published (CNA: VulDB) |
| August 26, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-78054 (SourceCodester Class and Exam Timetabling System). Public exploit reference added. |
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-2026-78054 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 Sunday, October 4, 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.
