High severity · published Oct 5, 2026
CVE-2026-103066
WordPress WP BASE Booking plugin <= 6.4.0 - SQL Injection vulnerability
8.5
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WP BASE WP BASE Booking wp-base-booking-of-appointments-services-and-events allows Blind SQL Injection.This issue affects WP BASE Booking: from n/a through 6.4.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WB
WP BASE Booking · WP BASE
through 6.4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103066
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103066
vdb-entry
https://patchstack.com/database/wordpress/plugin/wp-base-booking-of-appointments-services-and-events/vulnerability/wordpress-wp-base-booking-plugin-6-4-0-sql-injection-vulnerability-2?_s_id=cve
More from WP BASE Booking
9.3
CVE-2026-103352
WordPress WP BASE Booking plugin <= 6.4.0 - SQL Injection vulnerability