WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Security & Risk Analysis

wordpress.org/plugins/sprout-invoices-wp-forms

Dynamic invoicing (and estimates/quotes) from WP Form submissions.

400 active installs v2.0 PHP + WP 4.8+ Updated Dec 1, 2025
billingestimatesinvoiceinvoicingwp-forms
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Safe to Use in 2026?

Generally Safe

Score 100/100

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 4mo ago
Risk Assessment

The static analysis of sprout-invoices-wp-forms v2.0 reveals an exceptionally clean codebase with no identified vulnerabilities or security weaknesses in the analyzed aspects. The absence of dangerous functions, raw SQL queries, file operations, external HTTP requests, and the consistent use of prepared statements and output escaping are excellent security practices. Furthermore, the zero recorded CVEs and the lack of any historical vulnerabilities suggest a mature and well-maintained plugin.

However, the analysis also highlights a complete absence of security checks like nonce checks and capability checks across all entry points. While the current attack surface is reported as zero, this lack of explicit checks is a significant concern. Should any new entry points be introduced or if the attack surface is misrepresented, there would be no built-in protection against unauthorized access or manipulation. The zero taint flow results are positive but could be influenced by the limited attack surface and the thoroughness of the taint analysis itself.

In conclusion, the plugin demonstrates strong adherence to secure coding principles for the analyzed code. The primary weakness lies in the complete lack of explicit security checks on entry points, which presents a potential risk if the attack surface expands or if the current assessment is incomplete. The historical data strongly suggests a secure past, but the missing security checks on entry points are a notable area for improvement to bolster its future security.

Key Concerns

  • No nonce checks on entry points
  • No capability checks on entry points
Vulnerabilities
None known

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Security Vulnerabilities

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

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Code Analysis

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

Output Escaping

100% escaped14 total outputs
Attack Surface

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 6
filtersi_settings_optionsinc\SI_WPForms.php:15
actionsi_settings_savedinc\SI_WPForms.php:17
filtersi_settingsinc\SI_WPForms.php:19
filterplugin_action_linksinc\SI_WPForms.php:22
actionwpforms_process_completeinc\SI_WPForms.php:26
actionsprout_invoices_loadedsprout-invoices-wpforms-integration.php:30
Maintenance & Trust

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedDec 1, 2025
PHP min version
Downloads13K

Community Trust

Rating100/100
Number of ratings1
Active installs400
Developer Profile

WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions Developer Profile

BoldGrid

15 plugins · 1.1M total installs

76
trust score
Avg Security Score
96/100
Avg Patch Time
841 days
View full developer profile
Detection Fingerprints

How We Detect WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/sprout-invoices-wp-forms/css/si-wpforms-integration.css/wp-content/plugins/sprout-invoices-wp-forms/js/si-wpforms-integration.js

HTML / DOM Fingerprints

CSS Classes
si_wpforms_integration_form_settings
HTML Comments
<!-- WPForms Invoice Submissions Controller --><!-- WPForms Controller --><!-- SI_WPForms_Controller --><!-- SI_WPForms -->
Data Attributes
data-plugin-name="Sprout Invoices + WPForms"data-plugin-version="2.0"
JS Globals
window.SI_WPFORMS_Integrationvar SI_WPFORMS_Integration
FAQ

Frequently Asked Questions about WP Forms + Sprout Invoices – Easy Invoice & Quote Submissions