Supple Forms Security & Risk Analysis

wordpress.org/plugins/supple-forms

Supple Forms - a CMS plugin for WordPress to create custom write panels, and format and insert values into Posts.

10 active installs v0.1.62 PHP + WP 2.5+ Updated Mar 8, 2009
cmscustom-fieldscustom-write-panelformsshortcode
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Supple Forms Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 17yr ago
Risk Assessment

The supple-forms plugin v0.1.62 exhibits a mixed security posture. While it boasts no known CVEs and a generally low number of entry points, several concerning code signals warrant attention. The high percentage of flows with unsanitized paths, particularly those flagged as high severity in taint analysis, suggests potential for vulnerabilities if user input is not handled rigorously. Additionally, the extremely low rate of properly escaped output (2%) is a significant concern, indicating a high risk of Cross-Site Scripting (XSS) vulnerabilities.

The plugin's lack of documented vulnerabilities is a positive sign, suggesting either a history of secure development or a lack of widespread testing. However, the static analysis reveals underlying weaknesses that could lead to exploitable issues. The presence of numerous SQL queries (48) with only 79% using prepared statements also introduces a minor risk of SQL injection, though the taint analysis didn't flag these specifically. The strong use of nonce and capability checks on its limited entry points is a positive practice.

In conclusion, while the plugin has a clean vulnerability history and good intentions regarding authentication and nonces, the identified issues with unsanitized paths and especially output escaping pose considerable risks. These factors, if left unaddressed, could significantly undermine the plugin's security.

Key Concerns

  • High percentage of unsanitized paths in taint analysis
  • Very low rate of properly escaped output
  • SQL queries not using prepared statements
  • High severity taint flows identified
Vulnerabilities
None known

Supple Forms Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

Supple Forms Code Analysis

Dangerous Functions
0
Raw SQL Queries
10
38 prepared
Unescaped Output
40
1 escaped
Nonce Checks
5
Capability Checks
2
File Operations
0
External Requests
0
Bundled Libraries
0

SQL Query Safety

79% prepared48 total queries

Output Escaping

2% escaped41 total outputs
Data Flows
7 unsanitized

Data Flow Analysis

8 flows7 with unsanitized paths
printEditFieldsPage (supple-admin.php:490)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Supple Forms Attack Surface

Entry Points1
Unprotected0

Shortcodes 1

[supple] supple-forms.php:659
WordPress Hooks 7
actionadmin_print_scriptssupple-forms.php:662
actionadmin_menusupple-forms.php:665
actionactivate_supple-forms/supple-forms.phpsupple-forms.php:669
actionadmin_noticessupple-forms.php:672
actionadmin_menusupple-forms.php:676
actionsave_postsupple-forms.php:680
actionadmin_headsupple-forms.php:683
Maintenance & Trust

Supple Forms Maintenance & Trust

Maintenance Signals

WordPress version tested2.7.1
Last updatedMar 8, 2009
PHP min version
Downloads17K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

Supple Forms Developer Profile

Byron

1 plugin · 10 total installs

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

How We Detect Supple Forms

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/supple-forms/css/ui.core.css/wp-content/plugins/supple-forms/css/ui.datepicker.css/wp-content/plugins/supple-forms/js/ui.datepicker.js/wp-content/plugins/supple-forms/js/supple-admin.js
Script Paths
wp-content/plugins/supple-forms/js/ui.datepicker.jswp-content/plugins/supple-forms/js/supple-admin.js

HTML / DOM Fingerprints

CSS Classes
supple-forms
FAQ

Frequently Asked Questions about Supple Forms