CVE-2026-80440 Hustle < 7.8.14.2 - Unauthenticated Arbitrary Shortcode Execution via Success Message Placeholders
Unauthenticated attackers can execute arbitrary shortcodes via form submission placeholders, potentially leading to code execution on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80440?
CVE-2026-80440 is a medium-severity code injection vulnerability in Unknown Hustle, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-74
Which versions are affected by CVE-2026-80440?
How do I fix CVE-2026-80440?
No fix has been published for CVE-2026-80440 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-80440 being exploited?
There is no known exploitation of CVE-2026-80440 in the wild and no public exploit code.
Sources
Also known as GHSA-rf7x-rwhg-53vc.