Medium severity · published Mar 10, 2026
CVE-2026-1920
Booktics <= 1.0.16 - Missing Authorization to Addon Plugin Installation
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
The Booking Calendar for Appointments and Service Businesses – Booktics plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'Extension_Controller::update_item_permissions_check' function in all versions up to, and including, 1.0.16. This makes it possible for unauthenticated attackers to install addon plugins.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BB
Booktics – Booking Calendar for Appointments and Service Businesses · arraytics
through 1.0.16 · source: vendor
Affected product
BB
Booktics – Booking Calendar for Appointments and Service Businesses
arraytics
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1920
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1920
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/extensions/controllers/extension-controller.php#L110
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3477898/booktics/trunk/core/extensions/controllers/extension-controller.php
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/ab051f4a-030a-44aa-8cbf-665c6c6d31a7?source=cve
More from Booktics – Booking Calendar for Appointments and Service Businesses
5.3
CVE-2026-1919
Booktics <= 1.0.16 - Missing Authorization to Get Items via REST API endpoints