# CVE-2026-120339: mathurvishal CloudClassroom-PHP-Project cross-site scripting in updatedetailsfromfaculty.php

Source: https://junglewise.ai/threats/cve-2026-120339-a-security-flaw-has-been-discovered-in-mathurvishal  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-02. Updated: 2026-11-02  
License: CC BY 4.0 with a link back

CVE-2026-120339 · Severity: medium · CVSS 4.3 · Published 2026-11-02

A PHP-based classroom management application contains a stored cross-site scripting (XSS) vulnerability in a faculty details update function. An attacker can inject malicious scripts through the fname parameter, which would execute when other users view the manipulated data. This could lead to session hijacking, credential theft, or unauthorized actions on behalf of legitimate users.

Technologies: [Mathurvishal CloudClassroom PHP Project](https://junglewise.ai/threats/technologies/mathurvishal-cloudclassroom-php-project). Vendors: [Mathurvishal](https://junglewise.ai/threats/vendors/mathurvishal).

## Quick answers

**Is CVE-2026-120339 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-120339 being exploited in the wild.

**How severe is CVE-2026-120339?** Medium severity, with a CVSS score of 4.3, published 2 November 2026.

**Which products and versions are affected?** mathurvishal CloudClassroom-PHP-Project.

**Is there a fix for CVE-2026-120339?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-120339 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-120339?** Check whether you run Mathurvishal CloudClassroom PHP Project. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a stored XSS flaw in the updatedetailsfromfaculty.php file where the fname parameter is not properly sanitized or encoded before storage and display. The attack requires network access and can be initiated remotely without authentication requirements beyond typical application access. Exploitation allows arbitrary JavaScript execution in users' browsers within the application context.

## Affected products

- mathurvishal CloudClassroom-PHP-Project

## Timeline

- 2026-11-02: disclosed

## References

- [https://github.com/vinniboy021-blip/Advisory/blob/main/updatedetailsfromfaculty-stored-xss.md](https://github.com/vinniboy021-blip/Advisory/blob/main/updatedetailsfromfaculty-stored-xss.md)
- [https://vuldb.com/cve/CVE-2026-120339](https://vuldb.com/cve/CVE-2026-120339)

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