CVE-2026-54833 - Vulnerability Details - OpenCVE

Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

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

Dev Kabir

Enable CORS

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 2.0.3

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

Update the WordPress Enable CORS Plugin to the latest available version (at least 2.0.4).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/enable-cors/vulnerability/wordpress-enable-cors-plugin-2-0-3-backdoor-vulnerability?_s_id=cve

History

Fri, 26 Jun 2026 16:30:00 +0000

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

Fri, 26 Jun 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.
Title		WordPress Enable CORS plugin <= 2.0.3 - Backdoor vulnerability
Weaknesses		CWE-321
References		https://patchstack.com/database/wordpress/plugin/enable-cors/vulnerability/wordpress-enable-cors-plugin-2-0-3-backdoor-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-06-26T14:52:23.740Z

Updated: 2026-06-26T15:38:38.561Z

Reserved: 2026-06-16T09:21:57.268Z

Link: CVE-2026-54833

Vulnrichment

Updated: 2026-06-26T15:38:35.412Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-26T17:00:04Z

Weaknesses

CWE-321

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54833", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-06-16T09:21:57.268Z", "datePublished": "2026-06-26T14:52:23.740Z", "dateUpdated": "2026-06-26T15:38:38.561Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-26T14:52:23.740Z"}, "title": "WordPress Enable CORS plugin <= 2.0.3 - Backdoor vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-321", "description": "CWE-321 Use of Hard-coded Cryptographic Key", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-523", "descriptions": [{"lang": "en", "value": "CAPEC-523 Malicious Software Implanted"}]}], "affected": [{"vendor": "Dev Kabir", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "enable-cors", "product": "Enable CORS", "versions": [{"lessThanOrEqual": "2.0.3", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "2.0.4", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions."}], "value": "Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/enable-cors/vulnerability/wordpress-enable-cors-plugin-2-0-3-backdoor-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress Enable CORS Plugin to the latest available version (at least 2.0.4)."}], "value": "Update the WordPress Enable CORS Plugin to the latest available version (at least 2.0.4)."}], "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": {"timestamp": "2026-06-26T15:38:32.973064Z", "id": "CVE-2026-54833", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-06-26T15:38:38.561Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54833", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-26T15:38:32.973064Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-26T15:38:35.412Z"}}], "cna": {"title": "WordPress Enable CORS plugin <= 2.0.3 - Backdoor 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-523", "descriptions": [{"lang": "en", "value": "CAPEC-523 Malicious Software Implanted"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Dev Kabir", "product": "Enable CORS", "versions": [{"status": "affected", "changes": [{"at": "2.0.4", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "2.0.3"}], "packageName": "enable-cors", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress Enable CORS Plugin to the latest available version (at least 2.0.4).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress Enable CORS Plugin to the latest available version (at least 2.0.4).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/enable-cors/vulnerability/wordpress-enable-cors-plugin-2-0-3-backdoor-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.", "supportingMedia": [{"type": "text/html", "value": "Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-321", "description": "CWE-321 Use of Hard-coded Cryptographic Key"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-26T14:52:23.740Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54833", "state": "PUBLISHED", "dateUpdated": "2026-06-26T15:38:38.561Z", "dateReserved": "2026-06-16T09:21:57.268Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-06-26T14:52:23.740Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}