Vulnerability in Mathurvishal Cloudclassroom-Php-Project
CVE-2026-121501
A vulnerability was determined in mathurvishal CloudClassroom-PHP-Project. The affected element is the function session_regenerate_id of the file loginlinkadmin.php. Executing a manipulation of the argument PHPSESSID can lead to session fixiation. 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 vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Mathurvishal Cloudclassroom-Php-Project — versions 5dadec098bfbbf3300d60c3494db3fb95b66e7be, c46ce5736007d9d6e51a8feeb9250729fe85f139, dae0c5961a35a4faf28cde9e02117538f09f81c1
Weakness classification (CWE)
References
- github.com/rmsbpro/Advisory/blob/main/session-fixation.md (exploit)
- vuldb.com/cve/CVE-2026-121501 (third-party-advisory)
- vuldb.com/submit/1019357 (third-party-advisory)
- vuldb.com/vuln/430283 (technical-description, vdb-entry)
- vuldb.com/vuln/430283/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-121501?
- CVE-2026-121501 is a medium-severity vulnerability in Mathurvishal Cloudclassroom-Php-Project, classified under Session Fixation. CVSS score: 6.3/10. Published 2026-11-03.
- How severe is CVE-2026-121501?
- Medium severity. CVSS v3 base score is 6.3 out of 10.