Data Modification Vulnerability in Booktics Plugin for WordPress
CVE-2026-1920

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Booktics – Booking Calendar For Appointments And Service Businesses
Vendor
CVE Published:
10 March 2026

What is CVE-2026-1920?

The Booktics plugin for WordPress is susceptible to unauthorized data modification due to a lack of capability checks in the 'Extension_Controller::update_item_permissions_check' function. This vulnerability affects all versions up to and including 1.0.16, enabling unauthenticated attackers to exploit the system and potentially install unauthorized addon plugins. Such exploitation poses a significant risk to the integrity and security of the affected WordPress sites.

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Affected Version(s)

Booktics – Booking Calendar for Appointments and Service Businesses * <= 1.0.16

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/booktics/tags/...
https://plugins.trac.wordpress.org/changeset/3477898/book...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kazuma Matsumoto
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