Medium severity · published Jan 31, 2026
CVE-2026-1431
Booking Calendar <= 10.14.13 - Missing Authorization to Unauthenticated Booking Details Exposure
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BC
Booking Calendar · wpdevelop
through 10.14.13 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1431
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1431
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/booking/tags/10.14.13/core/lib/wpbc-ajax.php#L25
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/0bd92f91-d9b1-4f6f-ac1a-477950ea2e80?source=cve
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