{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-18496",
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "state": "PUBLISHED",
        "assignerShortName": "Wordfence",
        "dateReserved": "2026-07-31T15:48:48.687Z",
        "datePublished": "2026-10-10T05:30:55.792Z",
        "dateUpdated": "2026-10-10T05:30:55.792Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
                "shortName": "Wordfence",
                "dateUpdated": "2026-10-10T05:30:55.792Z"
            },
            "affected": [
                {
                    "vendor": "wpdevelop",
                    "product": "Booking Calendar",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "11.4.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc_is_show_popover_in_flex_timeline() function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email addresses, and phone numbers of customers who have made bookings."
                }
            ],
            "title": "Booking Calendar <= 11.4.3 - Unauthenticated Sensitive Information Exposure in 'WPBC_FLEXTIMELINE_NAV' AJAX Action",
            "references": [
                {
                    "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ebfb030-c9b7-477a-8fe3-78e97da6bea9?source=cve"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/changeset/3633943/booking"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
                            "cweId": "CWE-200",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Jonah Burgess (CryptoCat)"
                }
            ],
            "timeline": [
                {
                    "time": "2026-05-22T00:00:00.000Z",
                    "lang": "en",
                    "value": "Discovered"
                },
                {
                    "time": "2026-07-31T16:04:39.000Z",
                    "lang": "en",
                    "value": "Vendor Notified"
                },
                {
                    "time": "2026-10-09T17:02:51.000Z",
                    "lang": "en",
                    "value": "Disclosed"
                }
            ]
        }
    }
}