Reflected Cross-Site Scripting in Booking Calendar Plugin for WordPress
CVE-2026-93655

6.1MEDIUM

Key Information:

Vendor

WordPress
Status
Booking Calendar
Vendor
CVE Published:
22 September 2026

What is CVE-2026-93655?

The Booking Calendar plugin for WordPress poses a vulnerability due to Reflected Cross-Site Scripting through the 'wpbc_auto_fill' parameter. This issue arises from inadequate input sanitization and output escaping, permitting unauthenticated attackers to inject malicious web scripts. The vulnerability can be exploited if a user is tricked into clicking on a manipulated link, leading to unauthorized script execution on affected pages in all versions up to and including 11.8.3.

Affected Version(s)

Booking Calendar 0 <= 11.8.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/booking/tags/1...
https://plugins.trac.wordpress.org/browser/booking/tags/1...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Asaf Mozes
.