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16 vulnerabilities found for Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin by croixhaug

CVE-2025-13754 (GCVE-0-2025-13754)

Vulnerability from nvd – Published: 2025-12-19 06:48 – Updated: 2025-12-19 18:47
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.16 - Missing Authorization to Unauthenticated Sensitive Information Exposure
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.16. This is due to the plugin exposing its admin embed endpoint at `/wp-json/ssa/v1/embed-inner-admin` without authentication, which leaks plugin settings including staff names, business names, and configuration data that are not publicly displayed on the booking form. This makes it possible for unauthenticated attackers to extract private business configuration. In premium versions with integrations configured, this might also expose other sensitive data including API keys for external services.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.9.16 (semver)
Create a notification for this product.
Credits
Marcin Dudek
Show details on NVD website
To clipboard 

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CVE-2025-4667 (GCVE-0-2025-4667)

Vulnerability from nvd – Published: 2025-06-14 09:23 – Updated: 2025-06-17 18:38
VLAI?
Title
Simply Schedule Appointments <= 1.6.8.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Shortcodes
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssa_admin_upcoming_appointments, ssa_admin_upcoming_appointments, and ssa_past_appointments shortcodes in all versions up to, and including, 1.6.8.30 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.30 (semver)
Create a notification for this product.
Credits
muhammad yudha
Show details on NVD website
To clipboard 

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CVE-2025-1119 (GCVE-0-2025-1119)

Vulnerability from nvd – Published: 2025-03-13 06:56 – Updated: 2025-03-13 20:40
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.5 - Unauthenticated Arbitrary Shortcode Execution
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.6.8.5. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.5 (semver)
Create a notification for this product.
Credits
Luciano Hanna
Show details on NVD website
To clipboard 

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CVE-2024-13431 (GCVE-0-2024-13431)

Vulnerability from nvd – Published: 2025-03-07 08:21 – Updated: 2025-03-07 15:02
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.3 - Reflected Cross-Site Scripting
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Severity ?
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.3 (semver)
Create a notification for this product.
Credits
Luciano Hanna
Show details on NVD website
To clipboard 

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CVE-2024-4288 (GCVE-0-2024-4288)

Vulnerability from nvd – Published: 2024-05-16 11:05 – Updated: 2024-08-01 20:33
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.7.14 - Authenticated (Contributor+) Stored Cross-Site Scripting
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link’ parameter in versions up to, and including, 1.6.7.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.14 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-2341 (GCVE-0-2024-2341)

Vulnerability from nvd – Published: 2024-04-09 18:59 – Updated: 2024-08-01 19:11
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the keys parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.7 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-2342 (GCVE-0-2024-2342)

Vulnerability from nvd – Published: 2024-04-09 18:58 – Updated: 2024-08-01 19:11
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the customer_id parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with contributor access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.7 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-1760 (GCVE-0-2024-1760)

Vulnerability from nvd – Published: 2024-03-06 05:33 – Updated: 2024-08-01 18:48
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6.6.20. This is due to missing or incorrect nonce validation on the ssa_factory_reset() function. This makes it possible for unauthenticated attackers to reset the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.6.20 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2025-13754 (GCVE-0-2025-13754)

Vulnerability from cvelistv5 – Published: 2025-12-19 06:48 – Updated: 2025-12-19 18:47
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.16 - Missing Authorization to Unauthenticated Sensitive Information Exposure
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.16. This is due to the plugin exposing its admin embed endpoint at `/wp-json/ssa/v1/embed-inner-admin` without authentication, which leaks plugin settings including staff names, business names, and configuration data that are not publicly displayed on the booking form. This makes it possible for unauthenticated attackers to extract private business configuration. In premium versions with integrations configured, this might also expose other sensitive data including API keys for external services.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.9.16 (semver)
Create a notification for this product.
Credits
Marcin Dudek
Show details on NVD website
To clipboard 

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CVE-2025-4667 (GCVE-0-2025-4667)

Vulnerability from cvelistv5 – Published: 2025-06-14 09:23 – Updated: 2025-06-17 18:38
VLAI?
Title
Simply Schedule Appointments <= 1.6.8.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Shortcodes
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssa_admin_upcoming_appointments, ssa_admin_upcoming_appointments, and ssa_past_appointments shortcodes in all versions up to, and including, 1.6.8.30 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.30 (semver)
Create a notification for this product.
Credits
muhammad yudha
Show details on NVD website
To clipboard 

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CVE-2025-1119 (GCVE-0-2025-1119)

Vulnerability from cvelistv5 – Published: 2025-03-13 06:56 – Updated: 2025-03-13 20:40
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.5 - Unauthenticated Arbitrary Shortcode Execution
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.6.8.5. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.5 (semver)
Create a notification for this product.
Credits
Luciano Hanna
Show details on NVD website
To clipboard 

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CVE-2024-13431 (GCVE-0-2024-13431)

Vulnerability from cvelistv5 – Published: 2025-03-07 08:21 – Updated: 2025-03-07 15:02
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.8.3 - Reflected Cross-Site Scripting
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Severity ?
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.8.3 (semver)
Create a notification for this product.
Credits
Luciano Hanna
Show details on NVD website
To clipboard 

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CVE-2024-4288 (GCVE-0-2024-4288)

Vulnerability from cvelistv5 – Published: 2024-05-16 11:05 – Updated: 2024-08-01 20:33
VLAI?
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.7.14 - Authenticated (Contributor+) Stored Cross-Site Scripting
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link’ parameter in versions up to, and including, 1.6.7.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity ?
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.14 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-2341 (GCVE-0-2024-2341)

Vulnerability from cvelistv5 – Published: 2024-04-09 18:59 – Updated: 2024-08-01 19:11
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the keys parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.7 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-2342 (GCVE-0-2024-2342)

Vulnerability from cvelistv5 – Published: 2024-04-09 18:58 – Updated: 2024-08-01 19:11
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the customer_id parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with contributor access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.7.7 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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CVE-2024-1760 (GCVE-0-2024-1760)

Vulnerability from cvelistv5 – Published: 2024-03-06 05:33 – Updated: 2024-08-01 18:48
VLAI?
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6.6.20. This is due to missing or incorrect nonce validation on the ssa_factory_reset() function. This makes it possible for unauthenticated attackers to reset the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin Affected: * , ≤ 1.6.6.20 (semver)
Create a notification for this product.
Credits
Krzysztof Zając
Show details on NVD website
To clipboard 

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