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CVE-2026-18496

Booking Calendar <= 11.4.3 - Unauthenticated Sensitive Information Exposure in 'WPBC_FLEXTIMELINE_NAV' AJAX Action PUBLISHED

Description (CNA)

The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc_is_show_popover_in_flex_timeline() function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email addresses, and phone numbers of customers who have made bookings.

Affected (CNA)

Vendor / productVersions
wpdevelop / Booking Calendaraffected 0 through 11.4.3

CWE

CWE-200

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.