CVE-2026-66666 (GCVE-0-2026-66666)
Vulnerability from cvelistv5
Published
2026-10-06 17:48
Modified
2026-10-06 20:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Summary
Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.
This issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Automattic | WordPress |
Version: 7.1 < Version: 7.0 < Version: 6.9 < Version: 6.8 < Version: 6.7 < Version: 6.6 < |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-66666",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-06T18:21:14.868038Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T18:21:39.557Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "WordPress",
"vendor": "Automattic",
"versions": [
{
"changes": [
{
"at": "7.1.3",
"status": "unaffected"
}
],
"lessThanOrEqual": "7.1.2",
"status": "affected",
"version": "7.1",
"versionType": "custom"
},
{
"changes": [
{
"at": "7.0.7",
"status": "unaffected"
}
],
"lessThanOrEqual": "7.0.6",
"status": "affected",
"version": "7.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "6.9.10",
"status": "unaffected"
}
],
"lessThanOrEqual": "6.9.9",
"status": "affected",
"version": "6.9",
"versionType": "custom"
},
{
"changes": [
{
"at": "6.8.11",
"status": "unaffected"
}
],
"lessThanOrEqual": "6.8.10",
"status": "affected",
"version": "6.8",
"versionType": "custom"
},
{
"changes": [
{
"at": "6.7.10",
"status": "unaffected"
}
],
"lessThanOrEqual": "6.7.9",
"status": "affected",
"version": "6.7",
"versionType": "custom"
},
{
"changes": [
{
"at": "6.6.10",
"status": "unaffected"
}
],
"lessThanOrEqual": "6.6.9",
"status": "affected",
"version": "6.6",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "7.1.2",
"versionStartIncluding": "7.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "7.0.6",
"versionStartIncluding": "7.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "6.9.9",
"versionStartIncluding": "6.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "6.8.10",
"versionStartIncluding": "6.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "6.7.9",
"versionStartIncluding": "6.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*",
"versionEndIncluding": "6.6.9",
"versionStartIncluding": "6.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Ananda Dhakal | Patchstack"
}
],
"datePublic": "2026-10-06T17:38:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\u003cp\u003eThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.\u003c/p\u003e"
}
],
"value": "Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\n\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "Retrieve Embedded Sensitive Data"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-201",
"description": "CWE-201 Insertion of Sensitive Information Into Sent Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T20:05:54.337Z",
"orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"shortName": "Patchstack"
},
"references": [
{
"tags": [
"vdb-entry"
],
"url": "https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cve"
},
{
"tags": [
"release-notes"
],
"url": "https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/"
},
{
"tags": [
"related"
],
"url": "https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cve"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Update the WordPress WordPress wordpress to the latest available version (at least 7.1.3, 7.0.7, 6.9.10, 6.8.11, 6.7.10, 6.6.10)."
}
],
"value": "Update the WordPress WordPress wordpress to the latest available version (at least 7.1.3, 7.0.7, 6.9.10, 6.8.11, 6.7.10, 6.6.10)."
}
],
"source": {
"discovery": "EXTERNAL"
},
"tags": [
"x_open-source"
],
"title": "WordPress Core \u003c= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"assignerShortName": "Patchstack",
"cveId": "CVE-2026-66666",
"datePublished": "2026-10-06T17:48:37.371Z",
"dateReserved": "2026-07-27T14:00:48.793Z",
"dateUpdated": "2026-10-06T20:05:54.337Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-66666\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-06T18:21:14.868038Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-06T18:21:35.463Z\"}}], \"cna\": {\"tags\": [\"x_open-source\"], \"title\": \"WordPress Core \u003c= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Ananda Dhakal | Patchstack\"}], \"impacts\": [{\"descriptions\": [{\"lang\": \"en\", \"value\": \"Retrieve Embedded Sensitive Data\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 6.9, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Automattic\", \"product\": \"WordPress\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"7.1.3\", \"status\": \"unaffected\"}], \"version\": \"7.1\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.1.2\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"7.0.7\", \"status\": \"unaffected\"}], \"version\": \"7.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.0.6\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"6.9.10\", \"status\": \"unaffected\"}], \"version\": \"6.9\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.9.9\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"6.8.11\", \"status\": \"unaffected\"}], \"version\": \"6.8\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.8.10\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"6.7.10\", \"status\": \"unaffected\"}], \"version\": \"6.7\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.7.9\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"6.6.10\", \"status\": \"unaffected\"}], \"version\": \"6.6\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.9\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Update the WordPress WordPress wordpress to the latest available version (at least 7.1.3, 7.0.7, 6.9.10, 6.8.11, 6.7.10, 6.6.10).\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Update the WordPress WordPress wordpress to the latest available version (at least 7.1.3, 7.0.7, 6.9.10, 6.8.11, 6.7.10, 6.6.10).\", \"base64\": false}]}], \"datePublic\": \"2026-10-06T17:38:00.000Z\", \"references\": [{\"url\": \"https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cve\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/\", \"tags\": [\"release-notes\"]}, {\"url\": \"https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cve\", \"tags\": [\"related\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.5\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\\n\\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\u003cp\u003eThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-201\", \"description\": \"CWE-201 Insertion of Sensitive Information Into Sent Data\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"7.1.2\", \"versionStartIncluding\": \"7.1\"}, {\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"7.0.6\", \"versionStartIncluding\": \"7.0\"}, {\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"6.9.9\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"6.8.10\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"6.7.9\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:a:automattic:wordpress:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"6.6.9\", \"versionStartIncluding\": \"6.6\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"shortName\": \"Patchstack\", \"dateUpdated\": \"2026-10-06T20:05:54.337Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-66666\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-06T20:05:54.337Z\", \"dateReserved\": \"2026-07-27T14:00:48.793Z\", \"assignerOrgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"datePublished\": \"2026-10-06T17:48:37.371Z\", \"assignerShortName\": \"Patchstack\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…