RCE in Mathurvishal Cloudclassroom-Php-Project
CVE-2026-120339
A security flaw has been discovered in mathurvishal CloudClassroom-PHP-Project. This vulnerability affects unknown code of the file updatedetailsfromfaculty.php. Performing a manipulation of the argument fname results in cross site scripting. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. 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/429664 (technical-description, vdb-entry)
- vuldb.com/vuln/429664/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120339 (third-party-advisory)
- vuldb.com/submit/1016326 (third-party-advisory)
- github.com/vinniboy021-blip/Advisory/blob/main/updatedetailsfromfaculty-stored-… (exploit, patch)
Frequently asked questions
- What is CVE-2026-120339?
- CVE-2026-120339 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-2026-120339?
- Medium severity. CVSS v3 base score is 4.3 out of 10.