CVE-2026-11880

Fluent Forms < 6.2.1 - Subscriber+ Subscription Cancellation via IDOR

LOW

3.1

CVSS Score

Published: July 1, 2026 at 06:00 AM UTC

Updated: July 2, 2026 at 01:52 AM UTC

1 product affected across 1 vendorContact Form

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Severity

LOW3.1

Exploit prediction

EPSS 0.2%

SSVC

PoC

Description

The 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Contact Form · Fluentformswordpress-plugin

60%

v < 6.2.1

Affected range stops below 6.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description

Source: cverecord

https://wpscan.com/vulnerability/5de7c9e9-3a47-4bc6-a1b2-33eb8d3e3ec0/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

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