What’s Vulnerable › Vulnerabilities
CVE-2026-80440: Hustle < 7.8.14.2 - Unauthenticated Arbitrary Shortcode Execution via Success Message Placeholders
- Severity: medium (CVSS 4.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-09 · updated 2026-09-09
- Weakness: CWE-74
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.
Affected products
- wpmudev Hustle – Email Marketing, Lead Generation, Optins, Popups: from 7.0.0.1 before 7.8.14.2 — fixed in 7.8.14.2
How to fix
Upgrade to a fixed version: wpmudev Hustle – Email Marketing, Lead Generation, Optins, Popups 7.8.14.2. Check the vendor advisory for mitigations.
References
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