Fluent Forms < 6.2.1 - Subscriber+ Subscription Cancellation via IDOR

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-11880
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 07:16:22 UTC
Updated2026-07-01 18:17:52 UTC
DescriptionThe Fluent Forms WordPress plugin before 6.2.1 does not properly verify ownership before processing a subscription cancellation request, allowing authenticated users with a low-privilege account to cancel subscriptions belonging to other users.

Risk And Classification

Primary CVSS: v3.1 3.1 LOW from ADP

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

EPSS: 0.001390000 probability, percentile 0.036290000 (date 2026-07-04)

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

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Fluent Forms affected 6.2.1 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/5de7c9e9-3a47-4bc6-a1b2-33eb8d3e3ec0 [email protected] wpscan.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: Pedro Pinho (en)

CNA: WPScan (en)

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