{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39601", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-04-07T10:48:50.116Z", "datePublished": "2026-10-02T14:49:13.832Z", "dateUpdated": "2026-10-02T14:49:13.832Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-10-02T14:49:13.832Z"}, "title": "WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerability", "datePublic": "2026-10-02T14:48:00.000Z", "descriptions": [{"lang": "en", "value": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.This issue affects Booking Calendar: from n/a through 11.8.4.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.<p>This issue affects Booking Calendar: from n/a through 11.8.4.</p>"}]}], "affected": [{"vendor": "WPdevelop", "product": "Booking Calendar", "packageName": "booking", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "versions": [{"version": "0", "versionType": "custom", "status": "affected", "lessThanOrEqual": "11.8.4"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/booking/vulnerability/wordpress-booking-calendar-plugin-11-8-4-race-condition-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "credits": [{"lang": "en", "value": "Ananda Dhakal (Patchstack)", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 3.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-362", "description": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "lang": "en", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-26", "descriptions": [{"lang": "en", "value": "Leveraging Race Conditions"}]}], "tags": ["x_open-source"]}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "booking", "product": "Booking Calendar", "vendor": "WPdevelop", "versions": [{"lessThanOrEqual": "11.8.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.This issue affects Booking Calendar: from n/a through 11.8.4."}], "id": "CVE-2026-39601", "lastModified": "2026-10-02T17:52:32.600", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "audit@patchstack.com", "type": "Secondary"}]}, "published": "2026-10-02T15:17:09.907", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/wordpress/plugin/booking/vulnerability/wordpress-booking-calendar-plugin-11-8-4-race-condition-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "audit@patchstack.com", "type": "Primary"}]}

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{"created": "2026-10-02T16:45:18.220191+00:00", "updated": "2026-10-02T16:45:18.220197+00:00", "vendors": []}