ClassDex Security & Risk Analysis

wordpress.org/plugins/classdex

A class and customer management system for Wordpress.

10 active installs v1.2.4 PHP + WP 3.5+ Updated Nov 10, 2014
cart66class-registrationcustomer-managementmailchimpyoga-studio
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is ClassDex Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 11yr ago
Risk Assessment

The classdex plugin version 1.2.4 demonstrates a mixed security posture. On the positive side, it exhibits good practices regarding database interactions, with all SQL queries utilizing prepared statements. Furthermore, it implements a substantial number of nonce and capability checks, suggesting an awareness of WordPress security mechanisms. The complete absence of known CVEs and a clean vulnerability history are also significant strengths, indicating a generally well-maintained codebase or a lack of past exploitation.

However, several areas present potential risks. The presence of the `unserialize` function is a critical red flag, as it can lead to Remote Code Execution vulnerabilities if used with untrusted input. While the static analysis did not reveal direct unsanitized paths involving `unserialize` leading to critical or high severity, the function itself remains a dangerous entry point. Additionally, only 32% of output is properly escaped, which could expose the site to Cross-Site Scripting (XSS) vulnerabilities if user-supplied data is not consistently handled with appropriate sanitization before being displayed.

Despite the low number of entry points and the absence of direct critical taint flows, the combination of `unserialize` and low output escaping coverage constitutes a notable risk. The vulnerability history, while clean, does not negate the inherent dangers within the code. The plugin's strengths lie in its secure SQL handling and authentication checks, but these are overshadowed by the potential for severe issues stemming from `unserialize` and insufficient output sanitization. Users should exercise caution and consider mitigation strategies for these identified weaknesses.

Key Concerns

  • Dangerous function unserialize detected
  • Low percentage of properly escaped output
  • Bundled outdated library DataTables v1.9.4
Vulnerabilities
None known

ClassDex Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

ClassDex Release Timeline

v1.1.9
v1.1.6
v1.1.5
v1.1.4
v1.1.3
v1.1.2
Code Analysis
Analyzed Mar 17, 2026

ClassDex Code Analysis

Dangerous Functions
1
Raw SQL Queries
0
69 prepared
Unescaped Output
194
91 escaped
Nonce Checks
18
Capability Checks
12
File Operations
7
External Requests
0
Bundled Libraries
1

Dangerous Functions Found

unserialize$serial = unserialize($response);includes\MCAPI.class.php:2464

Bundled Libraries

DataTables1.9.4

SQL Query Safety

100% prepared69 total queries

Output Escaping

32% escaped285 total outputs
Data Flows · Security
7 unsanitized

Data Flow Analysis

17 flows7 with unsanitized paths
<clear_table> (clear_table.php:0)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

ClassDex Attack Surface

Entry Points2
Unprotected0

Shortcodes 2

[classdex_detail] includes\shortcodes.php:125
[classdex_list] includes\shortcodes.php:182
WordPress Hooks 6
actionadmin_initclassdex.php:166
actionwp_dashboard_setupclassdex.php:184
actionwp_dashboard_setupclassdex.php:199
actionadmin_menuclassdex.php:304
actionadmin_enqueue_scriptsclassdex.php:323
actionwp_enqueue_scriptsclassdex.php:330
Maintenance & Trust

ClassDex Maintenance & Trust

Maintenance Signals

WordPress version tested4.0.38
Last updatedNov 10, 2014
PHP min version
Downloads4K

Community Trust

Rating100/100
Number of ratings3
Active installs10
Developer Profile

ClassDex Developer Profile

johndaskovsky

2 plugins · 20 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect ClassDex

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/classdex/css/classdex.css/wp-content/plugins/classdex/css/select2.css/wp-content/plugins/classdex/js/classdex.js/wp-content/plugins/classdex/js/select2.min.js/wp-content/plugins/classdex/js/classdex_admin.js
Script Paths
/wp-content/plugins/classdex/js/classdex.js/wp-content/plugins/classdex/js/select2.min.js/wp-content/plugins/classdex/js/classdex_admin.js
Version Parameters
classdex/css/classdex.css?ver=classdex/css/select2.css?ver=classdex/js/classdex.js?ver=classdex/js/select2.min.js?ver=classdex/js/classdex_admin.js?ver=

HTML / DOM Fingerprints

CSS Classes
classdex_search_formclassdex_title_displayclassdex_add_customer_formclassdex_add_class_formclassdex_customer_listclassdex_class_listclassdex_payment_formclassdex_registration_form+2 more
HTML Comments
<!-- Begin ClassDex Search Form --><!-- ClassDex Class List --><!-- ClassDex Customer List --><!-- ClassDex Registration Form -->+5 more
Data Attributes
data-classdex-class-iddata-classdex-customer-iddata-classdex-registration-iddata-classdex-payment-id
JS Globals
classdex_vars
Shortcode Output
[classdex_search][classdex_list][classdex_customers][classdex_register]
FAQ

Frequently Asked Questions about ClassDex