RCE in Cyber-Iii Student-Management-System
CVE-2026-5671
A vulnerability was determined in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Impacted is an unknown function of the file /admin/class%20schedule/delete_batch.php of the component Class Schedule Deletion Endpoint. Executing a manipulation of the argument batch can lead to cross site scripting. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
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: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% 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
- Cyber-Iii Student-Management-System — versions 1a938fa61e9f735078e9b291d2e6215b4942af3f
Weakness classification (CWE)
References
- vuldb.com/vuln/355493 (technical-description, vdb-entry)
- vuldb.com/vuln/355493/cti (signature, permissions-required)
- vuldb.com/submit/786028 (third-party-advisory)
- github.com/Cyber-III/Student-Management-System/issues/242 (issue-tracking, exploit)
- github.com/Cyber-III/Student-Management-System/ (product)
Frequently asked questions
- What is CVE-2026-5671?
- CVE-2026-5671 is a medium-severity vulnerability in Cyber-Iii Student-Management-System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-04-06.
- How severe is CVE-2026-5671?
- Medium severity. CVSS v3 base score is 4.3 out of 10.