CVE-2026-110383 Missing authorization in Electronic Signature Add-on for Fluent Forms
An attacker can bypass authorization controls to access or modify electronic signature data in the WP E-Signature Fluent Forms add-on.
- 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-2026-110383?
CVE-2026-110383 is a high-severity missing authorization vulnerability in WP E-Signature Electronic Signature Add-on for Fluent Forms, published on 18 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Authorization Bypass Through User-Controlled Key vulnerability in WP E-Signature Electronic Signature Add-on for Fluent Forms signature-fluent-contract-forms-add-on allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Electronic Signature Add-on for Fluent Forms: from n/a through 2.0.5.
Weakness: CWE-639
Which versions are affected by CVE-2026-110383?
How do I fix CVE-2026-110383?
No fix has been published for CVE-2026-110383 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-2026-110383 being exploited?
There is no known exploitation of CVE-2026-110383 in the wild and no public exploit code.
Sources
Also known as GHSA-pjjv-c28j-37gf.