Appointment Booking Calendar
CVE-2024-0856
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK
1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. 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. Affected products include: Codepeople Appointment Booking Calendar. Version information: before 1.3.83.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (wpscan) · only source for this CVE.
CVSS VectorVendor: wpscan
DescriptionCVE.org
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.
Affected Products (CPE)CVE.org
More in Appointment Booking Calendar
View allThe Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Description or
The Appointment Booking Calendar plugin 1.3.18 for WordPress allows XSS via the wp-admin/admin-post.php editionarea para
Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress. Rated high severity (
Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. Rated medium severity (CVSS 4.
Cross-Site Request Forgery (CSRF) vulnerability in codepeople Appointment Booking Calendar allows SQL Injection.3.92. Ra
SQL injection vulnerability in cpabc_appointments_admin_int_calendar_list.inc.php in the Appointment Booking Calendar pl
Stored cross-site scripting in the Appointment Booking Calendar WordPress plugin through version 1.4.05 allows authentic
The Appointment Booking Calendar - Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Ref
Missing Authorization vulnerability in codepeople Appointment Booking Calendar allows Accessing Functionality Not Proper
Sensitive customer PII exposure in the Appointment Booking Calendar WordPress plugin (versions up to and including 1.4.0
Sensitive PII exposure in the Appointment Booking Calendar WordPress plugin (versions up to and including 1.4.02) allows
Multiple cross-site scripting (XSS) vulnerabilities in cpabc_appointments_admin_int_bookings_list.inc.php in the Appoint
GitHub PoC
Exploit-DB