WordPress plugin · simply-schedule-appointments
Is Simply Schedule Appointments safe?
Safe on 1.6.12.37 or newer.
The current version, 1.6.12.37, is past every affected range on record (47 of 49 records list one; 2 don’t, so check those below). Keep it updated and you’re clear of them.
- Flaws on record
- 49
- High or critical
- 23
- Exploited
- none
- Current version
- 1.6.12.37
- Last updated
- Oct 14, 2026
- Active installs
- 50,000+
Every recorded flaw
- Oct 18, 2026Simply Schedule Appointments: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2026-110382 · affects up to 1.6.12.35 · reported by PatchstackHigh 7.1
- Oct 16, 2026Simply Schedule Appointments: Stored Cross-Site ScriptingCVE-2026-104000 · affects up to 1.6.12.35 · reported by WordfenceHigh 7.2
- Oct 15, 2026Simply Schedule Appointments: Authorization Bypass Through User-Controlled KeyCVE-2026-110381 · affects up to 1.6.12.35 · reported by PatchstackMedium 6.3
- Oct 10, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Incorrect AuthorizationCVE-2026-6723 · affects up to 1.6.11.11 · reported by WordfenceMedium 5.3
- Oct 1, 2026Simply Schedule Appointments: Sensitive Information ExposureCVE-2026-92245 · affects up to 1.6.12.32 · reported by WordfenceHigh 7.5
- Oct 1, 2026Simply Schedule Appointments: Insecure Direct Object ReferenceCVE-2026-91109 · affects up to 1.6.12.31 · reported by WordfenceMedium 6.5
- Sep 30, 2026Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 versions.CVE-2026-94673 · affects up to 1.6.12.31 · reported by PatchstackMedium 5.3
- Sep 30, 2026Unauthenticated Broken Access Control in Simply Schedule Appointments <= 1.6.12.29 versions.CVE-2026-94074 · affects up to 1.6.12.29 · reported by PatchstackMedium 6.5
- Sep 30, 2026Simply Schedule Appointments: Local File InclusionCVE-2026-89294 · affects up to 1.6.12.27 · reported by WordfenceHigh 7.5
- Sep 2, 2026Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.CVE-2026-84764 · affects up to 1.6.12.23 · reported by PatchstackHigh 8.8
- Aug 16, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Insecure Direct Object ReferenceCVE-2026-13358 · affects up to 1.6.12.10 · reported by WordfenceMedium 6.5
- Aug 15, 2026Simply Schedule Appointments: Does not restrict the user records returned by some of its REST endpoints to those the requester is entitled to seeCVE-2026-16541 · fixed in 1.6.12.17 · reported by WPScanMedium 6.5
- Aug 6, 2026Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.12.10 versions.CVE-2026-65513 · affects up to 1.6.12.10 · reported by PatchstackHigh 7.1
- Aug 6, 2026Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.CVE-2026-65508 · affects up to 1.6.12.10 · reported by PatchstackCritical 9.3
- Aug 3, 2026Simply Schedule Appointments: Does not perform a capability check on an administrative appointment-listing shortcodeCVE-2026-15254 · fixed in 1.6.12.11 · reported by WPScanMedium 6.5
- Aug 2, 2026Simply Schedule Appointments: Does not correctly restrict a bulk appointment operation to the requester's own recordsCVE-2026-16540 · fixed in 1.6.12.6 · reported by WPScanHigh 7.5
- Jul 13, 2026Simply Schedule Appointments: Missing AuthorizationCVE-2026-59523 · affects up to 1.6.11.11 · reported by PatchstackMedium 6.5
- Jul 13, 2026Simply Schedule Appointments: Missing AuthorizationCVE-2026-57812 · affects up to 1.6.12.4 · reported by PatchstackMedium 6.5
- Jun 26, 2026Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.12.2 versions.CVE-2026-57317 · reported by PatchstackHigh 7.1
- Jun 15, 2026Unauthenticated Sensitive Data Exposure in Simply Schedule Appointments < 1.6.11.2 versions.CVE-2026-42384 · reported by PatchstackHigh 7.5
- Jun 15, 2026Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.CVE-2026-39493 · affects up to 1.6.9.27 · reported by PatchstackCritical 9.3
- Jun 15, 2026Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.10.6 versions.CVE-2026-39447 · affects up to 1.6.10.6 · reported by PatchstackHigh 7.1
- May 28, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Missing AuthorizationCVE-2026-6937 · affects up to 1.6.11.8 · reported by WordfenceMedium 5.3
- May 28, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Time-based blind SQL InjectionCVE-2026-7797 · affects up to 1.6.11.8 · reported by WordfenceHigh 7.5
- May 26, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Denial of serviceCVE-2026-7493 · affects up to 1.6.11.5 · reported by WordfenceMedium 5.3
- May 6, 2026Appointment Booking Calendar: Missing AuthorizationCVE-2026-4807 · affects up to 1.6.10.6 · reported by WordfenceMedium 6.5
- Apr 8, 2026Simply Schedule Appointments: Missing AuthorizationCVE-2026-39694 · affects up to 1.6.10.2 · reported by PatchstackMedium 5.3
- Apr 8, 2026Simply Schedule Appointments: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')CVE-2026-39495 · affects up to 1.6.9.27 · reported by PatchstackHigh 8.5
- Mar 19, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: SQL InjectionCVE-2026-3658 · affects up to 1.6.10.0 · reported by WordfenceHigh 7.5
- Mar 13, 2026Appointment Booking Calendar — Simply Schedule Appointments: Unauthorized access of sensitive dataCVE-2026-3045 · affects up to 1.6.9.29 · reported by WordfenceHigh 7.5
- Mar 13, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Insecure Direct Object ReferenceCVE-2026-1704 · affects up to 1.6.9.29 · reported by WordfenceMedium 4.3
- Mar 11, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Blind SQL InjectionCVE-2026-1708 · affects up to 1.6.9.27 · reported by WordfenceHigh 7.5
- Jan 22, 2026Simply Schedule Appointments: Missing AuthorizationCVE-2025-69315 · affects up to 1.6.9.15 · reported by PatchstackMedium 6.5
- Jan 14, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Blind SQL InjectionCVE-2025-12166 · affects up to 1.6.9.9 · reported by WordfenceHigh 7.5
- Jan 5, 2026Appointment Booking Calendar — Simply Schedule Appointments Booking: Sensitive Information ExposureCVE-2025-11723 · affects up to 1.6.9.5 · reported by WordfenceMedium 6.5
- Dec 19, 2025Appointment Booking Calendar — Simply Schedule Appointments Booking: Sensitive Information ExposureCVE-2025-13754 · affects up to 1.6.9.16 · reported by WordfenceMedium 5.3
- Jun 14, 2025Appointment Booking Calendar — Simply Schedule Appointments Booking: Stored Cross-Site ScriptingCVE-2025-4667 · affects up to 1.6.8.30 · reported by WordfenceMedium 6.4
- Mar 13, 2025Appointment Booking Calendar — Simply Schedule Appointments Booking: Arbitrary shortcode executionCVE-2025-1119 · affects up to 1.6.8.5 · reported by WordfenceHigh 7.3
- Mar 7, 2025Appointment Booking Calendar — Simply Schedule Appointments Booking: Reflected Cross-Site ScriptingCVE-2024-13431 · affects up to 1.6.8.3 · reported by WordfenceMedium 6.1
- Nov 5, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: Does not sanitise and escape some of its Notification settingsCVE-2024-7877 · fixed in 1.6.7.55 · reported by WPScanMedium 4.8
- Nov 5, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: Does not sanitise and escape some of its Appointment Type settingsCVE-2024-7876 · fixed in 1.6.7.55 · reported by WPScanMedium 4.8
- May 16, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: Stored Cross-Site ScriptingCVE-2024-4288 · affects up to 1.6.7.14 · reported by WordfenceMedium 6.4
- Apr 9, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: SQL InjectionCVE-2024-2342 · affects up to 1.6.7.7 · reported by WordfenceHigh 8.8
- Apr 9, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: SQL InjectionCVE-2024-2341 · affects up to 1.6.7.7 · reported by WordfenceHigh 8.8
- Mar 27, 2024Simply Schedule Appointments: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-22311 · affects up to 1.6.6.20 · reported by PatchstackHigh 7.1
- Mar 6, 2024Appointment Booking Calendar — Simply Schedule Appointments Booking: Cross-Site Request ForgeryCVE-2024-1760 · affects up to 1.6.6.20 · reported by WordfenceMedium 4.3
- Dec 28, 2023Appointment Booking Calendar — Simply Schedule Appointments Booking: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')CVE-2023-50851 · fixed in 1.6.6.1 · reported by PatchstackHigh 7.6
- Aug 29, 2022Simply Schedule Appointments: Does not sanitise and escape some of its settingsCVE-2022-2374 · fixed in 1.5.7.7 · reported by WPScanMedium 4.8
- Aug 29, 2022Simply Schedule Appointments: Is missing authorisation in a REST endpointCVE-2022-2373 · fixed in 1.5.7.7 · reported by WPScan2.0% oddsMedium 5.3
Records come from the National Vulnerability Database, published by the researchers who found each flaw (Wordfence, Patchstack, WPScan and others); exploited status from CISA; exploit odds from FIRST’s EPSS; current version, installs and closures from wordpress.org, checked daily. Want every plugin on your site checked at once? Run the free website check.
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