A fast, GDPR-compliant newsletter plugin. Collect newsletter subscribers, let users subscribe to new post notifications, and send newsletters. ★★★★★
Category Scores
Top Issues by Category
maintainability369
security229
Issues Details
657 issues found in latest scan
Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$app".
Processing form data without nonce verification.
Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "_noptin_obfuscate_email_addresses_callback".
$_COOKIE['noptin_email_subscribed'] not unslashed before sanitization. Use wp_unslash() or similar
Detected usage of a non-sanitized input variable: $_COOKIE[$name]
Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "'check_' . $rule->get_trigger_id()".
Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().
Mismatched text domain. Expected 'newsletter-optin-box' but got 'gravityforms'.
All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$args['after_title']'.
No PHP code was found in this file and short open tags are not allowed by this install of PHP. This file may be using short open tags but PHP does not allow them.
Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "$hook".
Detected usage of meta_query, possible slow query.
Attempting a database schema change is discouraged.
Detected usage of a possibly undefined superglobal array index: $_GET['noptin_campaign']. Check that the array index exists before using it.
PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;
Processing form data without nonce verification.
Setting `suppress_filters` to `true` is prohibited.
Detected usage of meta_key, possible slow query.
Using exclusionary parameters, like exclude, in calls to get_posts() should be done with caution, see https://wpvip.com/documentation/performance-improvements-by-removing-usage-of-post__not_in/ for more information.
Detected usage of meta_value, possible slow query.
Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "IS_NOPTIN_ACTIONS_PAGE".
Unescaped parameter $values_sql used in $wpdb->query()\n$values_sql assigned unsafely at line 382.
Incorrect number of replacements passed to $wpdb->prepare(). Found 1 replacement parameters, expected 2.
Detected usage of tax_query, possible slow query.
| Code | Type | Message | Count |
|---|---|---|---|
| WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound | WARNING | Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$app". | 98 |
| WordPress.Security.NonceVerification.Recommended | WARNING | Processing form data without nonce verification. | 92 |
| WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound | WARNING | Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "_noptin_obfuscate_email_addresses_callback". | 88 |
| WordPress.Security.ValidatedSanitizedInput.MissingUnslash | WARNING | $_COOKIE['noptin_email_subscribed'] not unslashed before sanitization. Use wp_unslash() or similar | 56 |
| WordPress.Security.ValidatedSanitizedInput.InputNotSanitized | WARNING | Detected usage of a non-sanitized input variable: $_COOKIE[$name] | 48 |
| WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound | WARNING | Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "'check_' . $rule->get_trigger_id()". | 45 |
| WordPress.DB.DirectDatabaseQuery.DirectQuery | WARNING | Use of a direct database call is discouraged. | 33 |
| WordPress.DB.DirectDatabaseQuery.NoCaching | WARNING | Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete(). | 31 |
| WordPress.WP.I18n.TextDomainMismatch | ERROR | Mismatched text domain. Expected 'newsletter-optin-box' but got 'gravityforms'. | 31 |
| WordPress.Security.EscapeOutput.OutputNotEscaped | ERROR | All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$args['after_title']'. | 15 |
| Internal.NoCodeFound | WARNING | No PHP code was found in this file and short open tags are not allowed by this install of PHP. This file may be using short open tags but PHP does not allow them. | 14 |
| WordPress.NamingConventions.PrefixAllGlobals.DynamicHooknameFound | WARNING | Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "$hook". | 14 |
| WordPress.DB.SlowDBQuery.slow_db_query_meta_query | WARNING | Detected usage of meta_query, possible slow query. | 13 |
| WordPress.DB.DirectDatabaseQuery.SchemaChange | WARNING | Attempting a database schema change is discouraged. | 12 |
| WordPress.Security.ValidatedSanitizedInput.InputNotValidated | WARNING | Detected usage of a possibly undefined superglobal array index: $_GET['noptin_campaign']. Check that the array index exists before using it. | 8 |
| missing_direct_file_access_protection | ERROR | PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit; | 7 |
| WordPress.Security.NonceVerification.Missing | WARNING | Processing form data without nonce verification. | 6 |
| WordPressVIPMinimum.Performance.WPQueryParams.SuppressFilters_suppress_filters | ERROR | Setting `suppress_filters` to `true` is prohibited. | 6 |
| WordPress.DB.SlowDBQuery.slow_db_query_meta_key | WARNING | Detected usage of meta_key, possible slow query. | 5 |
| WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_exclude | WARNING | Using exclusionary parameters, like exclude, in calls to get_posts() should be done with caution, see https://wpvip.com/documentation/performance-improvements-by-removing-usage-of-post__not_in/ for more information. | 5 |
| WordPress.DB.SlowDBQuery.slow_db_query_meta_value | WARNING | Detected usage of meta_value, possible slow query. | 4 |
| WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedConstantFound | WARNING | Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "IS_NOPTIN_ACTIONS_PAGE". | 3 |
| PluginCheck.Security.DirectDB.UnescapedDBParameter | WARNING | Unescaped parameter $values_sql used in $wpdb->query()\n$values_sql assigned unsafely at line 382. | 2 |
| WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber | WARNING | Incorrect number of replacements passed to $wpdb->prepare(). Found 1 replacement parameters, expected 2. | 2 |
| WordPress.DB.SlowDBQuery.slow_db_query_tax_query | WARNING | Detected usage of tax_query, possible slow query. | 2 |
Latest Snapshot
Findings
657
Errors
66
Warnings
591
Score History
First score snapshot
First scan completed Jun 20, 2026
v4.3.0 · Plugin Check 2.0.0 · Model 2026.06-mvp-static-v2
Jun 20, 2026
v4.3.0
24
Latest
- Findings
- 657
- Errors
- 66
- Warnings
- 591
- Plugin Check
- 2.0.0
- Model
- 2026.06-mvp-static-v2
| Scan | Score | Findings | Errors | Warnings | Plugin | Plugin Check | Model |
|---|---|---|---|---|---|---|---|
| Jun 20, 2026Latest | 24 | 657 | 66 | 591 | v4.3.0 | 2.0.0 | 2026.06-mvp-static-v2 |