RCE in Mathurvishal Cloudclassroom-Php-Project
CVE-2026-120343
A flaw has been found in mathurvishal CloudClassroom-PHP-Project. The impacted element is an unknown function of the file manageassessment2.php. This manipulation of the argument ExamName/Q1/Q2/Q3/Q4/Q5 causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published .
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
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
- vuldb.com/vuln/429668 (technical-description, vdb-entry)
- vuldb.com/vuln/429668/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120343 (third-party-advisory)
- vuldb.com/submit/1017562 (third-party-advisory)
- github.com/capivara-research/manageassessment2-stored-xss/blob/main/manageasses… (exploit)
Frequently asked questions
- What is CVE-2026-120343?
- CVE-2026-120343 is a medium-severity vulnerability in Mathurvishal Cloudclassroom-Php-Project, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-11-02.
- How severe is CVE-2026-120343?
- Medium severity. CVSS v3 base score is 4.3 out of 10.