Medium severity · published Mar 6, 2024
CVE-2024-1760
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.6.20 - Cross-Site Request Forgery to Plugin Data Reset
4.7
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AB
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin · croixhaug
through 1.6.6.20 · source: vendor
SS
Simply Schedule Appointments · Nsquared
before 1.6.6.24 · source: NVD, CISA
Affected product
AB
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
croixhaug
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-1760
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-1760
Product
https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/class-support.php#L527
Patch
https://plugins.trac.wordpress.org/changeset/3042890/simply-schedule-appointments/trunk/includes/class-support.php
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/0eec9744-6dbd-42bd-b9c5-c9d792cecf4b?source=cve
More from Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
8.8
CVE-2024-2342
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.7.7 - Authenticated (Contributor+) SQL Injection via Shortcode
7.5
CVE-2026-7797
Appointment Booking Calendar <= 1.6.11.8 - Unauthenticated SQL Injection via 'append_where_sql' Parameter
7.5
CVE-2026-3658
Appointment Booking Calendar <= 1.6.10.0 - Unauthenticated SQL Injection via 'fields' Parameter
7.5
CVE-2026-3045
Appointment Booking Calendar <= 1.6.9.29 - Missing Authorization to Unauthenticated Sensitive Information Exposure via Settings REST API Endpoint
7.5
CVE-2026-1708
Appointment Booking Calendar <= 1.6.9.27 - Unauthenticated SQL Injection via 'append_where_sql' Parameter
