RCE in Cyber-Iii Student-Management-System
CVE-2026-5668
A flaw has been found in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. This affects an unknown part of the file /admin/Add%20notice/add%20notice.php. This manipulation of the argument $_SERVER['PHP_SELF'] causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. 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 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Cyber-Iii Student-Management-System — versions 1a938fa61e9f735078e9b291d2e6215b4942af3f
Weakness classification (CWE)
References
- vuldb.com/vuln/355490 (technical-description, vdb-entry)
- vuldb.com/vuln/355490/cti (signature, permissions-required)
- vuldb.com/submit/785895 (third-party-advisory)
- github.com/Cyber-III/Student-Management-System/issues/239 (issue-tracking, exploit)
- github.com/Cyber-III/Student-Management-System/ (product)
Frequently asked questions
- What is CVE-2026-5668?
- CVE-2026-5668 is a low-severity vulnerability in Cyber-Iii Student-Management-System, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-04-06.
- How severe is CVE-2026-5668?
- Low severity. CVSS v3 base score is 2.4 out of 10.