CVE-2026-108123 WP Booking System – Booking Calendar - Authorization Bypass

WP Booking System – Booking Calendar plugin for WordPress <= 2.1.0.3 contains an authorization bypass caused by improper user authorization verification, letting unauthenticated attackers read stored notification emails exposing customer PII, exploit requires authenticated Subscriber-level user.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
17 October 2026
Updated
19 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version beyond 2.1.0.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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