{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-122670", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-11-05T00:21:25.473Z", "datePublished": "2026-11-06T22:28:26.764Z", "dateUpdated": "2026-11-06T22:28:27.136Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-11-06T22:28:27.136Z"}, "title": "WordPress Polylang plugin <= 3.9 - Broken Access Control vulnerability", "datePublic": "2026-11-06T22:28:00.000Z", "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.<p>This issue affects Polylang: from n/a through 3.9.</p>"}]}], "affected": [{"vendor": "WP SYNTEX", "product": "Polylang", "packageName": "polylang", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "versions": [{"version": "0", "versionType": "custom", "status": "affected", "lessThanOrEqual": "3.9", "changes": [{"at": "3.9.1", "status": "unaffected"}]}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/polylang/vulnerability/wordpress-polylang-plugin-3-9-broken-access-control-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "credits": [{"lang": "en", "value": "Oly Hossen | Patchstack Bug Bounty Program", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "description": "Missing Authorization", "lang": "en", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "Exploiting Incorrectly Configured Access Control Security Levels"}]}], "solutions": [{"lang": "en", "value": "Update the WordPress Polylang plugin to the latest available version (at least 3.9.1).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update the WordPress Polylang plugin to the latest available version (at least 3.9.1)."}]}], "tags": ["x_open-source"]}}}

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