AB
Product
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
by croixhaug · last CVE May 28, 2026
14
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 6Medium 8Low 0
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Add Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-7797
7.5
1%
May 28
Appointment Booking Calendar <= 1.6.11.8 - Unauthenticated SQL Injection via 'append_where_sql' Parameter
Affected: through 1.6.11.8
CVE-2026-3658
7.5
0%
Mar 19
Appointment Booking Calendar <= 1.6.10.0 - Unauthenticated SQL Injection via 'fields' Parameter
Affected: through 1.6.10.0
CVE-2026-3045
7.5
0%
Mar 13
Appointment Booking Calendar <= 1.6.9.29 - Missing Authorization to Unauthenticated Sensitive Information Exposure via Settings REST API Endpoint
Affected: through 1.6.9.29
CVE-2026-1708
7.5
0%
Mar 11
Appointment Booking Calendar <= 1.6.9.27 - Unauthenticated SQL Injection via 'append_where_sql' Parameter
Affected: through 1.6.9.27
CVE-2025-12166
7.5
0%
Jan 14
Simply Schedule Appointments <= 1.6.9.9 - Unauthenticated SQL Injection via `order` and `append_where_sql` Parameters
Affected: through 1.6.9.9
CVE-2025-1119
7.3
1%
Mar 13
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.5 - Unauthenticated Arbitrary Shortcode Execution
Affected: through 1.6.8.5
CVE-2026-4807
6.5
0%
May 7
Appointment Booking Calendar <= 1.6.10.6 - Unauthenticated Arbitrary Appointment View, Modification and Deletion
Affected: through 1.6.10.6
CVE-2025-11723
6.5
0%
Jan 6
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.5 - Unauthenticated Sensitive Information Exposure
Affected: through 1.6.9.5
CVE-2025-4667
6.4
0%
Jun 14
Simply Schedule Appointments <= 1.6.8.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Shortcodes
Affected: through 1.6.8.30
CVE-2024-13431
6.1
0%
Mar 7
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.3 - Reflected Cross-Site Scripting
Affected: through 1.6.8.3
CVE-2026-6937
5.3
1%
May 28
Appointment Booking Calendar <= 1.6.11.8 - Missing Authorization to Unauthenticated Arbitrary Modification via Bulk Appointments REST API Endpoint
Affected: through 1.6.11.8
CVE-2026-7493
5.3
0%
May 27
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.11.5 - Unauthenticated Denial of Service
Affected: through 1.6.11.5
CVE-2025-13754
5.3
0%
Dec 19
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.16 - Missing Authorization to Unauthenticated Sensitive Information Exposure
Affected: through 1.6.9.16
CVE-2026-1704
4.3
0%
Mar 13
Appointment Booking Calendar <= 1.6.9.29 - Insecure Direct Object Reference to Authenticated (Staff+) Sensitive Information Exposure
Affected: through 1.6.9.29
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