Vulnerability · Published Jul 21, 2026 · Assigned by VulDB
CVE-2026-16486SourceCodester Class and Exam Timetabling System BSIS.php cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in Class and Exam Timetabling System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 59.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSIS.php. Performing a manipulation of the argument day results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SourceCodester | Class and Exam Timetabling System | 1.0 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-380944 | SourceCodester Class and Exam Timetabling System BSIS.php cross site scripting vdb-entry, technical-description
- VDB-380944 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-16486 | CVE Analysis and Report third-party-advisory
- Submit #859907 | sourcecodester Class and Exam Timetabling System V1.0 cross site scripting third-party-advisory
- https://github.com/kurshidheba852-hub/My-cve-repository/issues/1 exploit, issue-tracking
- https://www.sourcecodester.com/ product