CF7 ReCaptcha Mine Security & Risk Analysis

wordpress.org/plugins/cf7-recaptcha-mine

Protect your cf7 forms against spam and brute-force attacks. The plugin is invisible, compliant to GDPR and DSGVO.

20 active installs v2.0.1 PHP 5.6+ WP 4.8+ Updated Feb 12, 2023
captchacf7gdprrecaptchaspam-protection
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is CF7 ReCaptcha Mine Safe to Use in 2026?

Generally Safe

Score 85/100

CF7 ReCaptcha Mine has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 3yr ago
Risk Assessment

The "cf7-recaptcha-mine" v2.0.1 plugin exhibits a mixed security posture. On the positive side, it demonstrates good practices by utilizing prepared statements for all SQL queries and shows no known critical or high severity vulnerabilities in its history. The absence of bundled libraries and external HTTP requests are also favorable indicators. However, significant concerns arise from the static analysis. The plugin exposes two AJAX handlers, both of which lack authentication checks, creating a notable attack surface. Furthermore, a taint analysis revealed a flow with unsanitized paths, though it was not classified as critical or high severity, it still indicates a potential for data manipulation or injection if an attacker can leverage it. The limited capability checks also contribute to the overall risk, as access control is not robustly implemented. While the plugin's vulnerability history is clean, the presence of unprotected entry points and a path-related taint flow warrant caution.

Key Concerns

  • AJAX handlers without authentication
  • Flow with unsanitized paths
  • Limited capability checks
  • Output escaping is not fully implemented
Vulnerabilities
None known

CF7 ReCaptcha Mine Security Vulnerabilities

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

CF7 ReCaptcha Mine Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
6
10 escaped
Nonce Checks
0
Capability Checks
1
File Operations
3
External Requests
0
Bundled Libraries
0

Output Escaping

63% escaped16 total outputs
Data Flows
1 unsanitized

Data Flow Analysis

2 flows1 with unsanitized paths
cf7_recaptcha_mine_spam_check (cf7-recaptcha-mine.php:415)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface
2 unprotected

CF7 ReCaptcha Mine Attack Surface

Entry Points2
Unprotected2

AJAX Handlers 2

noprivwp_ajax_get_stampcf7-recaptcha-mine.php:401
authwp_ajax_get_stampcf7-recaptcha-mine.php:402
WordPress Hooks 8
actioninitcf7-recaptcha-mine.php:47
actionwp_headcf7-recaptcha-mine.php:48
actionwpcf7_initcf7-recaptcha-mine.php:49
actionactivated_plugincf7-recaptcha-mine.php:50
actionadmin_menucf7-recaptcha-mine.php:235
actionadmin_initcf7-recaptcha-mine.php:258
actionwp_enqueue_scriptscf7-recaptcha-mine.php:399
filterwpcf7_spamcf7-recaptcha-mine.php:400
Maintenance & Trust

CF7 ReCaptcha Mine Maintenance & Trust

Maintenance Signals

WordPress version tested6.1.10
Last updatedFeb 12, 2023
PHP min version5.6
Downloads2K

Community Trust

Rating0/100
Number of ratings0
Active installs20
Developer Profile

CF7 ReCaptcha Mine Developer Profile

Matthias Nordwig

2 plugins · 4K total installs

94
trust score
Avg Security Score
92/100
Avg Patch Time
7 days
View full developer profile
Detection Fingerprints

How We Detect CF7 ReCaptcha Mine

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/cf7-recaptcha-mine/assets/js/script.js
Version Parameters
cf7-recaptcha-mine/assets/js/script.js?ver=

HTML / DOM Fingerprints

CSS Classes
rcm-loadingcountdown
Data Attributes
class="hashStamp"class="hashNonce"name="hashStamp"name="hashDifficulty"name="hashNonce"
JS Globals
stampLoadedinitCaptchaaddStampfindHash
REST Endpoints
/wp-json/cf7-recaptcha-mine/v1/options
Shortcode Output
<input type="hidden" name="action" value="check_nonce"><input type="hidden" class="hashStamp" name="hashStamp" id="hashStamp" value="" /><input type="hidden" name="hashDifficulty" id="hashDifficulty" value="
FAQ

Frequently Asked Questions about CF7 ReCaptcha Mine