WordPress Formidable Forms Signature Online Contract Automation plugin <= 2.0.1 - Insecure Direct Object References (IDOR) vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-65523
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 15:17:15 UTC
Updated2026-08-06 22:18:15 UTC
DescriptionUnauthenticated Insecure Direct Object References (IDOR) in Formidable Forms Signature Online Contract Automation <= 2.0.1 versions.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.002870000 probability, percentile 0.208610000 (date 2026-08-08)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Approveme Formidable Forms Signature Online Contract Automation affected n/a 2.0.1 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/forms-signature-formidable-online-c... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Abdullah Kareem "cyberkareem" | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress Formidable Forms Signature Online Contract Automation Plugin to the latest available version (at least 2.0.2).

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