CVE-2026-65523
Received Received - Intake

Unauthenticated IDOR in Formidable Forms Signature

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Patchstack

Description
Unauthenticated Insecure Direct Object References (IDOR) in Formidable Forms Signature Online Contract Automation <= 2.0.1 versions.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-65523
EUVD
EUVD-2026-53970

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
formidable_forms signature_online_contract_automation to 2.0.1 (inc)
formidable forms_signature_online_contract_automation to 2.0.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

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Executive Summary

This is an Insecure Direct Object References (IDOR) vulnerability in the Formidable Forms Signature Online Contract Automation WordPress plugin versions 2.0.1 and below. It allows unauthenticated attackers to bypass authorization and access sensitive files, folders, or database interactions without proper authentication.

Detection Guidance

Check if you are running Formidable Forms Signature Online Contract Automation plugin version 2.0.1 or below. Inspect server logs for unauthorized access attempts to sensitive files or database interactions. Use vulnerability scanners that support WordPress plugins to detect outdated versions.

Impact Analysis

Unauthenticated attackers could exploit this to access sensitive data or perform unauthorized actions on websites using the vulnerable plugin. This may lead to data breaches, unauthorized modifications, or mass-exploit campaigns targeting thousands of sites.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements under GDPR and HIPAA. Organizations may face legal penalties, reputational damage, and loss of trust due to data exposure.

Mitigation Strategies

Update the plugin to version 2.0.2 immediately. If updating is not possible, apply Patchstack's mitigation rule to block attacks until the update is applied. Contact your hosting provider or web developer for assistance if needed.

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