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vuln-cve/data/2026/116xxx/CVE-2026-116557.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-116557",
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"state": "PUBLISHED",
"assignerShortName": "Wordfence",
"dateReserved": "2026-10-26T14:45:35.039Z",
"datePublished": "2026-10-31T06:44:21.690Z",
"dateUpdated": "2026-11-05T15:24:57.288Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence",
"dateUpdated": "2026-10-31T06:44:21.690Z"
},
"affected": [
{
"vendor": "murgroland",
"product": "WP Booking System – Booking Calendar",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "2.1.0.5",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "The WP Booking System - Booking Calendar plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wpbs_action_ajax_calendar_remove_note() function in versions up to, and including, 2.1.0.5 This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary calendar notes belonging to any calendar."
}
],
"title": "WP Booking System <= 2.1.0.5 - Missing Authorization to Unauthenticated Arbitrary Calendar Note Deletion via wpbs_calendar_remove_note AJAX Action",
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b25cc768-3377-41c9-acf5-8f6c993287c9?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.5/includes/base/admin/calendar/functions-notes.php#L123"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.5/includes/base/admin/calendar/functions-notes.php#L119"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.5/includes/base/admin/calendar/functions-notes.php#L111"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?old=3755940&old_path=%2Fwp-booking-system%2Ftrunk&new=3765778&new_path=%2Fwp-booking-system%2Ftrunk"
},
{
"url": "https://plugins.trac.wordpress.org/changeset/3765778/wp-booking-system/trunk/includes/base/admin/calendar/functions-notes.php"
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-862 Missing Authorization",
"cweId": "CWE-862",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"baseScore": 9.1,
"baseSeverity": "CRITICAL"
}
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "mamgad (mamgad)"
}
],
"timeline": [
{
"time": "2026-10-26T15:04:54.000Z",
"lang": "en",
"value": "Vendor Notified"
},
{
"time": "2026-10-30T18:25:33.000Z",
"lang": "en",
"value": "Disclosed"
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-05T15:24:45.758498Z",
"id": "CVE-2026-116557",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T15:24:57.288Z"
}
}
]
}
}