{
 "id": "WPSEC-2026-0961",
 "url": "https://wpsec.com/vuln/WPSEC-2026-0961/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-0961/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-0961/index.md",
 "title": "CP Multi View Event Calendar <= 1.4.41 - Missing Authorization to Authenticated (Contributor+) Calendar View Modification and Event Deletion",
 "description": "The CP Multi View Events Calendar plugin for WordPress is vulnerable to unauthorized modification and loss of data via the cp_multiviewadd_calendar, cp_multiviewdelete_calendar and cp_multiviewsaveautodel AJAX actions in all versions up to, and including, 1.4.41, due to a missing capability check on these functions, which rely only on a nonce that is shown to any user who can open the post editor. This makes it possible for authenticated attackers, with Contributor-level access and above, to create, modify and delete calendar views and to change the old-event auto-deletion settings of any calendar, which deletes past events.",
 "plugin": {
  "slug": "cp-multi-view-calendar",
  "name": "CP Multi View Event Calendar",
  "full_name": "CP Multi View Events Calendar",
  "wordpress_org": "https://wordpress.org/plugins/cp-multi-view-calendar/",
  "advisories_url": "https://wpsec.com/vuln/plugin/cp-multi-view-calendar/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/cp-multi-view-calendar"
 },
 "type": "NO AUTHORISATION",
 "cwe": [
  "CWE-862"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 5.4,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "1.4.42",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 1.4.42"
  ]
 },
 "introduced_in": null,
 "fixed_in": "1.4.42",
 "remediation": "Update to 1.4.42 or later.",
 "fix_released": "2026-10-13T15:34:16+00:00",
 "published": "2026-10-14T19:42:49+00:00",
 "updated": "2026-10-14T19:37:32.948338+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-0961/",
  "https://plugins.svn.wordpress.org/cp-multi-view-calendar/tags/1.4.42/",
  "https://wordpress.org/plugins/cp-multi-view-calendar/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/cp-multi-view-calendar",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "None seen",
  "as_of": "2026-10-14"
 }
}