Low severity · published Jul 1, 2026
CVE-2026-11880
Fluent Forms < 6.2.1 - Subscriber+ Subscription Cancellation via IDOR
3.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Fluent Forms ·
before 6.2.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11880
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11880
wpscan.com
https://wpscan.com/vulnerability/5de7c9e9-3a47-4bc6-a1b2-33eb8d3e3ec0/
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