CVE-2026-86707 - Vulnerability Details - OpenCVE

The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00136.

Exploitation none

Automatable yes

Technical Impact total

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/

History

Thu, 17 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-287
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 17 Sep 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.
Title		Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter
References		https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-17T06:00:10.018Z

Updated: 2026-09-17T12:29:59.333Z

Reserved: 2026-09-08T10:54:57.037Z

Link: CVE-2026-86707

Vulnrichment

Updated: 2026-09-17T12:13:00.791Z

NVD

Status : Received

Published: 2026-09-17T06:16:51.213

Modified: 2026-09-17T13:16:53.113

Link: CVE-2026-86707

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86707", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-08T10:54:57.037Z", "datePublished": "2026-09-17T06:00:10.018Z", "dateUpdated": "2026-09-17T12:29:59.333Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-17T06:00:10.018Z"}, "title": "Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter", "problemTypes": [{"descriptions": [{"description": "CWE-287 Improper Authentication", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Private Feed Key", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThanOrEqual": "0.1"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators."}], "references": [{"url": "https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Naoki Kawahigashi", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-287", "lang": "en", "description": "CWE-287 Improper Authentication"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T12:13:38.647651Z", "id": "CVE-2026-86707", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T12:29:59.333Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86707", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-08T10:54:57.037Z", "datePublished": "2026-09-17T06:00:10.018Z", "dateUpdated": "2026-09-17T12:29:59.333Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-17T06:00:10.018Z"}, "title": "Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter", "problemTypes": [{"descriptions": [{"description": "CWE-287 Improper Authentication", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Private Feed Key", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThanOrEqual": "0.1"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators."}], "references": [{"url": "https://wpscan.com/vulnerability/fbf22345-4e8c-4719-a9c3-5e606b6fd77f/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Naoki Kawahigashi", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-86707", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-17T12:13:38.647651Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T12:13:00.791Z"}}]}}