CVE-2025-9346: Booking Calendar <= 10.14.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-28 · updated 2026-06-17
Weakness: CWE-79

Description

The Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via settings in all versions up to, and including, 10.14.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

wpdevelop Booking Calendar: through 10.14.1

References

https://plugins.trac.wordpress.org/changeset/3348957/booking/trunk/core/any/class-admin-settings-api.php
https://www.wordfence.com/threat-intel/vulnerabilities/id/ca47486b-0761-48b8-94a7-77175ed5a37e?source=cve

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