High severity · published Oct 21, 2026
CVE-2026-85642
Formidable Forms 6.5 - 6.35 - Unauthenticated Payment Gateway Connect Verification DoS
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
The Formidable Forms WordPress plugin before 7.0 does not verify the identity of the caller before recording the timestamp it uses to rate limit payment gateway verification requests, allowing unauthenticated attackers to consume the daily allowance and cause legitimate verification attempts to be refused for the next 24 hours.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Formidable Forms ·
6.5 before 7.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85642
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85642
wpscan.com
https://wpscan.com/vulnerability/6bdc69fa-7db1-4790-9147-30ebd03580b0/
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