Vulnerability · Published Nov 2, 2026 · Assigned by VulDB
CVE-2026-120339mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in CloudClassroom-PHP-Project from mathurvishal. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mathurvishal | CloudClassroom-PHP-Project | 5dadec098bfbbf3300d60c3494db3fb95b66e7bec46ce5736007d9d6e51a8feeb9250729fe85f139dae0c5961a35a4faf28cde9e02117538f09f81c1 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
References
- VDB-429664 | mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php cross site scripting vdb-entry, technical-description
- VDB-429664 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-120339 | CVE Analysis and Report third-party-advisory
- Submit #1016326 | https://github.com/mathurvishal/CloudClassroom-PHP-Project CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be Cross Site Scripting third-party-advisory
- https://github.com/vinniboy021-blip/Advisory/blob/main/updatedetailsfromfaculty-stored-xss.md exploit, patch