CVE-2026-96573 Appointment Hour Booking – Booking Calendar - Stored XSS

Appointment Hour Booking – Booking Calendar WordPress plugin <= 1.5.97 contains a stored DOM-based cross-site scripting caused by insufficient input sanitization and output escaping in Booking Form Single-Line Field via Schedule Calendar List Renderer, letting unauthenticated attackers inject and execute arbitrary scripts, exploit requires 'list_readmore_numberofwords' setting configured with a positive integer.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.26% chance of exploitation in 30 days
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