WordPress
CVE-2026-1920
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
The Booktics plugin for WordPress versions up to 1.0.16 lacks proper permission validation in its Extension_Controller function, allowing unauthenticated attackers to install arbitrary addon plugins and modify site data. This network-accessible vulnerability affects WordPress installations using the vulnerable plugin without requiring user interaction. No patch is currently available for this medium-severity vulnerability.
Technical ContextAI
Classified as CWE-306 (Missing Authentication for Critical Function). 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.
Affected ProductsAI
The Booking Calendar for Appointments and Service Businesses – Booktics plugin for WordPress is vulnerable to unauthorized modification of data due to
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today