Unauthorized Data Access in Booking Calendar Plugin for WordPress
CVE-2026-1431

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Booking Calendar
Vendor
CVE Published:
31 January 2026

What is CVE-2026-1431?

The Booking Calendar plugin for WordPress suffers from an access control vulnerability due to a lack of proper capability checks in the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function. This oversight affects all versions up to and including 10.14.13 and allows unauthorized users to exploit this flaw, potentially accessing sensitive booking data, such as customer names, phone numbers, and email addresses.

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Affected Version(s)

Booking Calendar * <= 10.14.13

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/booking/tags/1...

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

M Indra Purnama
JSON
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