RCE in Sourcecodester Class And Exam Timetabling System
CVE-2026-15596
A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is an unknown function of the file /subject.php. Such manipulation of the argument subject leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Sourcecodester Class And Exam Timetabling System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/378111 (technical-description, vdb-entry)
- vuldb.com/vuln/378111/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15596 (third-party-advisory)
- vuldb.com/submit/855269 (third-party-advisory)
- github.com/AlbaDove/cve/issues/5 (issue-tracking, exploit)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-15596?
- CVE-2026-15596 is a medium-severity vulnerability in Sourcecodester Class And Exam Timetabling System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-07-13.
- How severe is CVE-2026-15596?
- Medium severity. CVSS v3 base score is 4.3 out of 10.