CVE-2026-110383 PUBLISHED

WordPress Electronic Signature Add-on for Fluent Forms plugin <= 2.0.5 - Insecure Direct Object References (IDOR) vulnerability

Assigner: Patchstack
Reserved: 14.10.2026 Published: 18.10.2026 Updated: 18.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	WP E-Signature
Product	Electronic Signature Add-on for Fluent Forms
Versions	Default: unaffected affected from 0 to 2.0.5 (incl.)

Solutions

Update the WordPress Electronic Signature Add-on for Fluent Forms plugin to the latest available version (at least 2.0.6).

Credits

Oly Hossen | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/signature-fluent-contract-forms-add-on/vulnerability/wordpress-electronic-signature-add-on-for-fluent-forms-plugin-2-0-5-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Problem Types

Authorization Bypass Through User-Controlled Key CWE

Impacts

Exploiting Incorrectly Configured Access Control Security Levels