CVE-2026-110378 WordPress Ninja Forms Signature Contract Add-On plugin <= 3.2.5 - Broken Access Control vulnerability
Attackers can bypass access controls in the Ninja Forms Signature Contract Add-On to perform unauthorized actions.
- 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-2026-110378?
CVE-2026-110378 is a medium-severity missing authorization vulnerability in WP E-Signature Ninja Forms Signature Contract Add-On, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in WP E-Signature Ninja Forms Signature Contract Add-On ninja-signature-contract-forms-add-on allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ninja Forms Signature Contract Add-On: from n/a through 3.2.5.
Weakness: CWE-862
Which versions are affected by CVE-2026-110378?
How do I fix CVE-2026-110378?
No fix has been published for CVE-2026-110378 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-110378 being exploited?
There is no known exploitation of CVE-2026-110378 in the wild and no public exploit code.
Sources
Also known as GHSA-m8j7-9xrh-wjj8.