What is CVE-2026-110383?

CVE-2026-110383 is a high-severity vulnerability in Wp E-Signature Electronic Signature Add-On For Fluent Forms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-10-18.

How severe is CVE-2026-110383?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Wp E-Signature Electronic Signature Add-On For Fluent Forms

CVE-2026-110383

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-18 · last modified 2026-10-18.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Wp E-Signature Electronic Signature Add-On For Fluent Forms

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

patchstack.com/database/wordpress/plugin/signature-fluent-contract-forms-add-on… (vdb-entry)

Frequently asked questions

What is CVE-2026-110383?: CVE-2026-110383 is a high-severity vulnerability in Wp E-Signature Electronic Signature Add-On For Fluent Forms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-10-18.
How severe is CVE-2026-110383?: High severity. CVSS v3 base score is 7.5 out of 10.