CVE WatchOct 1, 2026

CVE-2026-96573

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form

CVSS

7.2

High

EPSS

0.3%

p17

KEV

—

Exploit Today

0-100

Published: Oct 1, 2026 · Last modified: Oct 1, 2026 · CWE-79

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-10-022026-10-25

Technical description

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer in all versions up to, and including, 1.5.97 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the 'list_readmore_numberofwords' Other Parameters setting to be configured with a positive integer value; the default value of 0 bypasses the decode-and-truncate branch entirely and is not exploitable through this sink.

Official references

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