{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92619", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-09-16T14:45:02.914Z", "datePublished": "2026-09-18T06:38:54.974Z", "dateUpdated": "2026-09-18T06:38:54.974Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-09-18T06:38:54.974Z"}, "affected": [{"vendor": "wpdevelop", "product": "Booking Calendar", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "11.8.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Booking Calendar plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 11.8.2 via the `wpbc_ajax_option_save` AJAX action. The vulnerability exists because the `handle_ajax_save()` function applies per-option safeguards only to names explicitly registered via `register_option_policy()`, causing `get_option_policy()` to return an empty policy \u2014 bypassing all can_save, force_mode, and allowed_keys checks \u2014 for any unregistered option name, including core WordPress options, while an attacker-controlled `data_name` parameter passes through `sanitize_key()` and is written directly to `update_option()` without restriction. This makes it possible for authenticated attackers with Editor-level access and above to escalate their privileges to Administrator by writing core WordPress options such as `default_role=administrator` and `users_can_register=1`, then self-registering a new Administrator account. The nonce check does not meaningfully restrict this attack, as both the nonce value and nonce action are attacker-supplied POST parameters, and a valid nonce is trivially obtainable via `admin-ajax.php?action=rest-nonce`."}], "title": "Booking Calendar <= 11.8.2 - Authenticated (Editor+) Privilege Escalation to 'data_name' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ab68a6b2-e9b0-4efa-bd01-c6e3e11011db?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L303"}, {"url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L197"}, {"url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L138"}, {"url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/page-form-builder/ajax/bfb-ajax.php#L82"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3699185%40booking&new=3699185%40booking"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-269 Improper Privilege Management", "cweId": "CWE-269", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Wordfence PRISM"}], "timeline": [{"time": "2026-09-16T14:48:37.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-09-17T18:25:01.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Booking Calendar", "vendor": "wpdevelop", "versions": [{"lessThanOrEqual": "11.8.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Booking Calendar plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 11.8.2 via the `wpbc_ajax_option_save` AJAX action. The vulnerability exists because the `handle_ajax_save()` function applies per-option safeguards only to names explicitly registered via `register_option_policy()`, causing `get_option_policy()` to return an empty policy \u2014 bypassing all can_save, force_mode, and allowed_keys checks \u2014 for any unregistered option name, including core WordPress options, while an attacker-controlled `data_name` parameter passes through `sanitize_key()` and is written directly to `update_option()` without restriction. This makes it possible for authenticated attackers with Editor-level access and above to escalate their privileges to Administrator by writing core WordPress options such as `default_role=administrator` and `users_can_register=1`, then self-registering a new Administrator account. The nonce check does not meaningfully restrict this attack, as both the nonce value and nonce action are attacker-supplied POST parameters, and a valid nonce is trivially obtainable via `admin-ajax.php?action=rest-nonce`."}], "id": "CVE-2026-92619", "lastModified": "2026-09-18T07:16:51.997", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-09-18T07:16:51.997", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/page-form-builder/ajax/bfb-ajax.php#L82"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L138"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L197"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/booking/tags/11.8.2/includes/save-load-option/save-load-option.php#L303"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?reponame=&old=3699185%40booking&new=3699185%40booking"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ab68a6b2-e9b0-4efa-bd01-c6e3e11011db?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}