Booking Calendar < 1.3.83 - CSRF appointment scheduling
Priority HIGH 73CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-352.
Summary
The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Appointment Booking Calendar (Unknown): 1.3.83
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Appointment Booking Calendar | before 1.3.83 | 1.3.83 | Patch available | CNA |
- Appointment Booking Calendar VendorUnknown Affected before 1.3.83 Fixed in 1.3.83 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:* | before 1.3.83 | Vulnerable | codepeople |
- cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:* Versions before 1.3.83 Vulnerable ·codepeople
Remediation
- Fix · CNA Appointment Booking Calendar (Unknown) Fixed in 1.3.83
Timeline
- 2026-10-02 Threatist record created from CVE-2024-0856
- 2026-10-03 Alias added: GHSA-27hg-5398-wvrh
References
More codepeople Appointment Booking Calendar vulnerabilities
- TI-2024-11385 BookingPress < 1.1.23 - Unauthenticated Export File Download CVSS 3.1HIGH 7.5
- TI-2025-28999 WordPress Appointment Booking Calendar plugin <= 1.3.92 - Broken Access Control Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2016-08954 The appointment-booking-calendar plugin before 1.1.24 for WordPress has SQL injection, a… CVSS 3.0CRITICAL 9.8
- TI-2020-07494 The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in… CVSS 3.1HIGH 7.8
- TI-2022-21272 WordPress Appointment Booking Calendar plugin <= 1.3.69 - Missing Authorization vulnerability CVSS 3.1HIGH 8.8
- TI-2025-28993 WordPress Appointment Booking Calendar plugin <= 1.3.92 - CSRF to SQL Injection vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2024-0856 · CVE Program
- CVE-2024-0856 · NVD
- FIRST EPSS
- GHSA-27hg-5398-wvrh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences