CVE-2026-80437 Ninja Forms 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution via IP and Referer Merge Tags
Unauthenticated attackers can execute arbitrary shortcodes in Ninja Forms via IP and Referer merge tags, potentially leading to code execution.
- 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-2026-80437?
CVE-2026-80437 is a medium-severity code injection vulnerability in Unknown Ninja Forms, published on 6 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Ninja Forms WordPress plugin from 3.14.10 before 3.15.2 does not prevent shortcodes in request-derived values from being executed when it substitutes them into content it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site.
Weakness: CWE-74
Which versions are affected by CVE-2026-80437?
How do I fix CVE-2026-80437?
No fix has been published for CVE-2026-80437 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-2026-80437 being exploited?
There is no known exploitation of CVE-2026-80437 in the wild and no public exploit code.
Sources
Also known as GHSA-pgg5-mm47-8vxf.