CVE-2026-85642
Formidable Forms 6.5 - 6.35 - Unauthenticated Payment Gateway Connect Verification DoS
High 7.5
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.
Assigner
WPScan
WPScan
Published
2026-10-21
2026-10-21
Updated
2026-10-21
2026-10-21
Reserved
2026-09-04
2026-09-04
Scores
| Source | CVSS | Score | Severity | Vector |
|---|---|---|---|---|
| CISA-ADP | 3.1 | 7.5 | High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Weaknesses
Affected
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Formidable Forms | 6.5 to < 7.0 (affected)
others: unaffected |
References
- https://wpscan.com/vulnerability/6bdc69fa-7db1-4790-9147-30ebd03580b0/ exploitvdb-entrytechnical-description
Full CVE JSON record (5.2)
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-85642",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-21T10:16:05.395761Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-21T10:35:02.018Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Formidable Forms",
"vendor": "Unknown",
"versions": [
{
"lessThan": "7.0",
"status": "affected",
"version": "6.5",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Naoki Kawahigashi"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-21T06:00:24.595Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/6bdc69fa-7db1-4790-9147-30ebd03580b0/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Formidable Forms 6.5 - 6.35 - Unauthenticated Payment Gateway Connect Verification DoS",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-85642",
"datePublished": "2026-10-21T06:00:24.595Z",
"dateReserved": "2026-09-04T12:30:26.224Z",
"dateUpdated": "2026-10-21T10:35:02.018Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}