Online Scheduling and Appointment Booking System · Security record

Is Online Scheduling and Appointment Booking System safe?

One known vulnerability affects the current version (28.7), and it has no fix yet.

Checked 4 days ago against the WPVulnerability database, for version 28.7.

How it’s looked after

Last release: Oct 26, 2026 (2 weeks ago)
Releases in the last year: 30
Tested up to: WordPress 7.1.4
Support resolved: 1 of 1 threads in two months
Active installs: 60K+

32 known vulnerabilities

1 critical
10 high
14 medium
7 not rated

1 affects the current version. 1 has no fix yet.

Disclosed each year

20181
20211
20235
20241
202624

Every known vulnerability in Online Scheduling and Appointment Booking System

Newest first, with any that affect the current version at the top.

high
Unauthenticated SQL Injection
Affects the current version · No fix yet · CVE-2026-14516 · Jul 16, 2026 · Wordfence
high
Authenticated (Custom+) PHP Object Injection via 'value' Parameter
Fixed in 28.3 · CVE-2026-12626 · Oct 9, 2026 · Wordfence
medium
Insecure Direct Object Reference to Authenticated (Subscriber+) Privilege Escalation via 'id' and 'wp_user_id' Parameters via Query String / JSON Body
Fixed in 28.5 · CVE-2026-104898 · Oct 9, 2026 · Wordfence
medium
Unauthenticated Sensitive Information Exposure in 'phone' Parameter to bookly_render_details
Fixed in 28.5 · CVE-2026-103365 · Oct 9, 2026 · Wordfence
medium
Authenticated (Subscriber+) Insecure Direct Object Reference
Fixed in 28.3 · CVE-2026-96347 · Sep 25, 2026 · Wordfence
high
Missing Authorization
Fixed in 28.3 · CVE-2026-96348 · Sep 25, 2026 · Wordfence
Authenticated (Staff+) Insecure Direct Object Reference
Fixed in 28.3 · CVE-2026-86839 · Sep 25, 2026 · Wordfence
Authenticated (Bookly Administrator+) PHP Object Injection
Fixed in 28.3 · CVE-2026-86841 · Sep 25, 2026 · Wordfence
medium
Unauthenticated Insecure Direct Object Reference
Fixed in 28.3 · CVE-2026-86837 · Sep 25, 2026 · Wordfence
medium
Unauthenticated Payment Bypass
Fixed in 28.3 · CVE-2026-86838 · Sep 24, 2026 · Wordfence
critical
Insecure Direct Object Reference to Unauthenticated Arbitrary Booking Token Disclosure and Deletion via 'order_id' Parameter
Fixed in 28.3 · CVE-2026-93399 · Sep 24, 2026 · Wordfence
medium
Unauthenticated Authorization Bypass via PHP Type Juggling via 'verification_code' Parameter Type Juggling via json_data
Fixed in 28.3 · CVE-2026-92799 · Sep 24, 2026 · Wordfence
Unauthenticated Insecure Direct Object Reference
Fixed in 28.2 · CVE-2026-91847 · Sep 15, 2026 · Wordfence
high
Insecure Direct Object Reference to Unauthenticated Sensitive Data Access and Message Injection via 'conversation_id' Parameter
Fixed in 28.2 · CVE-2026-89063 · Sep 7, 2026 · Wordfence
medium
Missing Authorization to Authenticated (Subscriber+) Limited Arbitrary Plugin Update
Fixed in 27.3 · CVE-2026-2520 · Aug 15, 2026 · Wordfence
high
Unauthenticated Stored Cross-Site Scripting via bookly_speed_up_update_addons AJAX action
Fixed in 28.0 · CVE-2026-13424 · Aug 15, 2026 · Wordfence
medium
Authenticated (Staff+) Insecure Direct Object Reference to Sensitive Information Exposure via 'params[id]' Parameter
Fixed in 28.0 · CVE-2026-12905 · Aug 15, 2026 · Wordfence
Unauthenticated SQL Injection
Fixed in 27.8 · CVE-2026-13395 · Jul 30, 2026 · Wordfence
Unauthenticated Stored Cross-Site Scripting
Fixed in 27.8 · CVE-2026-61944 · Jul 16, 2026 · Wordfence
Unauthenticated SQL Injection
Fixed in 27.8 · CVE-2026-61949 · Jul 16, 2026 · Wordfence
high
Unauthenticated Stored Cross-Site Scripting via 'bookly-customer-full-name' Cookie
Fixed in 27.3 · CVE-2026-5513 · Jun 12, 2026 · Wordfence
high
Unauthenticated Information Exposure
Fixed in 27.5 · CVE-2026-42667 · May 10, 2026 · Wordfence
Unauthenticated Price Manipulation via 'tips'
Fixed in 27.1 · CVE-2026-2519 · Apr 8, 2026 · Wordfence
high
Reflected Cross-Site Scripting
Fixed in 26.8 · CVE-2026-32540 · Mar 20, 2026 · Wordfence
medium
Authenticated (Subscriber+) Stored Cross-Site Scripting via Color Profile Parameter
Fixed in 23.3 · CVE-2024-5584 · Jun 10, 2024 · Wordfence
medium
Authenticated (Admin+) Stored Cross-Site Scripting
Fixed in 22.5 · CVE-2023-5209 · Nov 6, 2023 · Wordfence
high
Authenticated(Administrator+) SQL Injection
Fixed in 22.4 · CVE-2023-4691 · Sep 25, 2023 · Wordfence
medium
Authenticated (Admin+) Stored Cross-Site Scripting
Fixed in 21.8 · CVE-2023-1159 · Jun 1, 2023 · Wordfence
high
Arbitrary File Deletion
Fixed in 21.8 · CVE-2023-26526 · May 11, 2023 · Wordfence
medium
Unauthenticated Stored Cross-Site Scripting via Name
Fixed in 21.6 · CVE-2023-1172 · Mar 17, 2023 · Wordfence
medium
Staff Member Stored Cross-Site Scripting
Fixed in 20.3.1 · CVE-2021-24930 · Nov 8, 2021 · Wordfence
medium
Cross-Site Scripting
Fixed in 14.6 · CVE-2018-6891 · Feb 10, 2018 · Wordfence

Questions about Online Scheduling and Appointment Booking System’s security

Is Online Scheduling and Appointment Booking System safe to use?

Yes: 1 known vulnerability affects version 28.7, according to WPVulnerability’s database. Until a fixed version is out, weigh the risk, or switch to an alternative.

Does Online Scheduling and Appointment Booking System have known security vulnerabilities?

Yes: 1 known vulnerability affects version 28.7, according to WPVulnerability’s database.

Is Online Scheduling and Appointment Booking System still maintained?

Yes. Its last release was 2 weeks ago. Its authors resolved 1 of the 1 support threads opened in the last two months.

Is Online Scheduling and Appointment Booking System compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

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Vulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.