CVE-2026-66620 - Vulnerability Details - OpenCVE

Editor PHP Object Injection in OptionTree <= 2.7.3 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

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.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Derek Herman

OptionTree

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 2.7.3

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

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://patchstack.com/database/wordpress/plugin/option-tree/vulnerability/wordpress-optiontree-plugin-2-7-3-php-object-injection-vulnerability?_s_id=cve

History

Tue, 18 Aug 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 18 Aug 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		Editor PHP Object Injection in OptionTree <= 2.7.3 versions.
Title		WordPress OptionTree plugin <= 2.7.3 - PHP Object Injection vulnerability
Weaknesses		CWE-502
References		https://patchstack.com/database/wordpress/plugin/option-tree/vulnerability/wordpress-optiontree-plugin-2-7-3-php-object-injection-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-08-18T13:59:32.986Z

Updated: 2026-08-18T19:48:23.621Z

Reserved: 2026-07-27T14:00:21.730Z

Link: CVE-2026-66620

Vulnrichment

Updated: 2026-08-18T19:40:17.079Z

NVD

Status : Received

Published: 2026-08-18T15:16:57.153

Modified: 2026-08-18T20:17:20.900

Link: CVE-2026-66620

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-18T16:00:04Z

Weaknesses

CWE-502

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66620", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-07-27T14:00:21.730Z", "datePublished": "2026-08-18T13:59:32.986Z", "dateUpdated": "2026-08-18T19:48:23.621Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-18T13:59:32.986Z"}, "title": "WordPress OptionTree plugin <= 2.7.3 - PHP Object Injection vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "affected": [{"vendor": "Derek Herman", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "option-tree", "product": "OptionTree", "versions": [{"lessThanOrEqual": "2.7.3", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Editor PHP Object Injection in OptionTree <= 2.7.3 versions."}], "value": "Editor PHP Object Injection in OptionTree <= 2.7.3 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/option-tree/vulnerability/wordpress-optiontree-plugin-2-7-3-php-object-injection-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-66620", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-18T19:32:04.552671Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-18T19:48:23.621Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-66620", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-18T19:32:04.552671Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-18T19:40:17.079Z"}}], "cna": {"title": "WordPress OptionTree plugin <= 2.7.3 - PHP Object Injection vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Derek Herman", "product": "OptionTree", "versions": [{"status": "affected", "version": "n/a", "versionType": "custom", "lessThanOrEqual": "2.7.3"}], "packageName": "option-tree", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/option-tree/vulnerability/wordpress-optiontree-plugin-2-7-3-php-object-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Editor PHP Object Injection in OptionTree <= 2.7.3 versions.", "supportingMedia": [{"type": "text/html", "value": "Editor PHP Object Injection in OptionTree <= 2.7.3 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-18T13:59:32.986Z"}}}, "cveMetadata": {"cveId": "CVE-2026-66620", "state": "PUBLISHED", "dateUpdated": "2026-08-18T19:48:23.621Z", "dateReserved": "2026-07-27T14:00:21.730Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-08-18T13:59:32.986Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}