Simple Booking System Security & Risk Analysis

wordpress.org/plugins/simple-booking-system

A lightweight appointment booking plugin with customizable fields, email alerts, and admin dashboard.

0 active installs v1.0 PHP 7.4+ WP 5.6+ Updated Dec 5, 2025
appointmentbookingcalendarresponsiveschedule
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
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Safety Verdict

Is Simple Booking System Safe to Use in 2026?

Generally Safe

Score 100/100

Simple Booking System has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 3mo ago
Risk Assessment

The simple-booking-system plugin v1.0 exhibits a strong security posture based on the provided static analysis. The absence of dangerous functions, raw SQL queries, file operations, and external HTTP requests are excellent indicators of secure coding practices. Furthermore, the high percentage of properly escaped output and the presence of nonce and capability checks on entry points suggest a robust defense against common web vulnerabilities. The plugin also boasts a clean vulnerability history with no known CVEs, further bolstering confidence in its security.

While the static analysis reveals no critical or high-severity issues and the taint analysis found no unsanitized paths, a minor concern lies in the presence of four AJAX handlers. Although all appear to have checks, a thorough review of these checks would be prudent to ensure they are consistently and correctly implemented against all potential attack vectors. The presence of a shortcode also represents an entry point that, while not flagged as unprotected, warrants careful scrutiny for potential vulnerabilities that may not be caught by automated analysis.

In conclusion, the simple-booking-system plugin v1.0 is generally well-secured. Its developers have implemented several key security best practices, leading to a very low-risk profile. The negligible number of potential entry points and the absence of any recorded vulnerabilities are highly positive. The primary recommendation would be to ensure the existing authentication and authorization checks on AJAX handlers are comprehensive and to maintain this high standard of security in future development.

Vulnerabilities
None known

Simple Booking System Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 17, 2026

Simple Booking System Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
5
74 escaped
Nonce Checks
5
Capability Checks
3
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

94% escaped79 total outputs
Data Flows
All sanitized

Data Flow Analysis

3 flows
simple_booking_system_settings_page (simple-booking-system.php:146)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Simple Booking System Attack Surface

Entry Points5
Unprotected0

AJAX Handlers 4

authwp_ajax_simple_booking_system_get_available_timessimple-booking-system.php:502
noprivwp_ajax_simple_booking_system_get_available_timessimple-booking-system.php:503
authwp_ajax_simple_booking_system_handle_bookingsimple-booking-system.php:577
noprivwp_ajax_simple_booking_system_handle_bookingsimple-booking-system.php:578

Shortcodes 1

[simple_booking_system] simple-booking-system.php:463
WordPress Hooks 3
actionwp_enqueue_scriptssimple-booking-system.php:67
actionadmin_enqueue_scriptssimple-booking-system.php:92
actionadmin_menusimple-booking-system.php:143
Maintenance & Trust

Simple Booking System Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedDec 5, 2025
PHP min version7.4
Downloads288

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

Simple Booking System Developer Profile

SACHINRAJ CP

9 plugins · 980 total installs

94
trust score
Avg Security Score
100/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Simple Booking System

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/simple-booking-system/assets/css/bootstrap.min.css/wp-content/plugins/simple-booking-system/assets/css/style.css/wp-content/plugins/simple-booking-system/assets/js/bootstrap.bundle.min.js/wp-content/plugins/simple-booking-system/assets/js/script.js
Script Paths
/wp-content/plugins/simple-booking-system/assets/js/script.js/wp-content/plugins/simple-booking-system/assets/js/admin.js
Version Parameters
simple-booking-system/assets/css/bootstrap.min.css?ver=simple-booking-system/assets/css/style.css?ver=simple-booking-system/assets/js/bootstrap.bundle.min.js?ver=simple-booking-system/assets/js/script.js?ver=

HTML / DOM Fingerprints

CSS Classes
simple_booking_system
Data Attributes
data-bs-toggledata-bs-target
JS Globals
simple_booking_system_ajax
Shortcode Output
[simple_booking_system]
FAQ

Frequently Asked Questions about Simple Booking System