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Appointment Booking Calendar CVE-2022-43482

HIGH
Missing Authorization (CWE-862)
2022-11-18 audit@patchstack.com
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress. Affected products include: Codepeople Appointment Booking Calendar.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress.

Threat Intelligence Overview

EPSS Score
0.5%
Top 61% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:*
CVE-2024-0856 HIGH POC
8.8 Mar 20

The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could al

CVE-2020-9372 HIGH POC
7.8 Mar 04

The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Description or

CVE-2019-14791 MEDIUM POC
6.1 Aug 09

The Appointment Booking Calendar plugin 1.3.18 for WordPress allows XSS via the wp-admin/admin-post.php editionarea para

CVE-2020-9371 MEDIUM POC
4.8 Mar 04

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. Rated medium severity (CVSS 4.

CVE-2025-46241 HIGH
8.2 Apr 22

Cross-Site Request Forgery (CSRF) vulnerability in codepeople Appointment Booking Calendar allows SQL Injection.3.92. Ra

CVE-2015-7319 HIGH
7.5 Sep 29

SQL injection vulnerability in cpabc_appointments_admin_int_calendar_list.inc.php in the Appointment Booking Calendar pl

CVE-2026-111727 MEDIUM
6.4 Oct 28

Stored cross-site scripting in the Appointment Booking Calendar WordPress plugin through version 1.4.05 allows authentic

CVE-2024-13431 MEDIUM
6.1 Mar 07

The Appointment Booking Calendar - Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Ref

CVE-2025-46247 MEDIUM
5.3 Apr 22

Missing Authorization vulnerability in codepeople Appointment Booking Calendar allows Accessing Functionality Not Proper

CVE-2026-12111 MEDIUM
4.3 Jun 18

Sensitive customer PII exposure in the Appointment Booking Calendar WordPress plugin (versions up to and including 1.4.0

CVE-2026-12113 MEDIUM
4.3 Jul 01

Sensitive PII exposure in the Appointment Booking Calendar WordPress plugin (versions up to and including 1.4.02) allows

CVE-2015-7320 MEDIUM
4.3 Sep 29

Multiple cross-site scripting (XSS) vulnerabilities in cpabc_appointments_admin_int_bookings_list.inc.php in the Appoint

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