Make email delivery easy for WordPress. Connect with SMTP, Gmail, Outlook, SendGrid, Mailgun, SES, Zoho, + more. Rated #1 WordPress SMTP Email plugin.
30
Score
32
Errors
346
Warnings
-6
Change
Category Scores
Security0
Repo89
Performance100
Maintainability34
Issues to Review
Prioritized issue groups from the latest Plugin Check scan
Maintainability
306
16 issue groups
Security
61
5 issue groups
I18n
7
4 issue groups
WARNINGMaintainabilityNon-prefixed hook nameHook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "'wp_mail_smtp_post_delete_' . $this->type".196
- Category
- Maintainability
- Occurrences
- 196
- Severity
- warning
Sample message
Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "'wp_mail_smtp_post_delete_' . $this->type".
WARNINGSecurityDatabase parameter is not escapedUnescaped parameter $attachment_files_table used in $wpdb->query()\n$attachment_files_table assigned unsafely at line 143.36
- Category
- Security
- Occurrences
- 36
- Severity
- warning
Sample message
Unescaped parameter $attachment_files_table used in $wpdb->query()\n$attachment_files_table assigned unsafely at line 143.
WARNINGMaintainabilityDirect QueryUse of a direct database call is discouraged.36
- Category
- Maintainability
- Occurrences
- 36
- Severity
- warning
Sample message
Use of a direct database call is discouraged.
WARNINGMaintainabilityNon-prefixed global variableGlobal variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$am_announcement_params".33
- Category
- Maintainability
- Occurrences
- 33
- Severity
- warning
Sample message
Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$am_announcement_params".
WARNINGSecurityMissing nonce verificationProcessing form data without nonce verification.18
- Category
- Security
- Occurrences
- 18
- Severity
- warning
Sample message
Processing form data without nonce verification.
ERRORMaintainabilitybadly named filesFile and folder names must not contain spaces or special characters.12
- Category
- Maintainability
- Occurrences
- 12
- Severity
- error
Sample message
File and folder names must not contain spaces or special characters.
WARNINGMaintainabilityNon-prefixed functionFunctions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "wp_is_serving_rest_request".7
- Category
- Maintainability
- Occurrences
- 7
- Severity
- warning
Sample message
Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "wp_is_serving_rest_request".
WARNINGMaintainabilityNon-prefixed constantGlobal constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "WPMS_PHP_VER".4
- Category
- Maintainability
- Occurrences
- 4
- Severity
- warning
Sample message
Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "WPMS_PHP_VER".
ERRORI18nMissing Translators CommentA function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.4
- Category
- I18n
- Occurrences
- 4
- Severity
- error
Sample message
A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.
ERRORMaintainabilityMissing direct file access protectionPHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;4
- Category
- Maintainability
- Occurrences
- 4
- Severity
- error
Sample message
PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;
Show 15 moreShow less
WARNINGSecurityNonce verification recommended3
- Category
- Security
- Occurrences
- 3
- Severity
- warning
Sample message
Processing form data without nonce verification.
WARNINGMaintainabilitytrademarked term3
- Category
- Maintainability
- Occurrences
- 3
- Severity
- warning
Sample message
The plugin name includes a restricted term. Your chosen plugin name - "WP Mail SMTP by WPForms - The Most Popular SMTP and Email Log Plugin" - contains the restricted term "plugin" which cannot be used at all in your plugin name.
ERRORMaintainabilityNot Allowed2
- Category
- Maintainability
- Occurrences
- 2
- Severity
- error
Sample message
Use of heredoc syntax (<<<) is not allowed; use standard strings or inline HTML instead
ERRORSecurityException output is not escaped2
- Category
- Security
- Occurrences
- 2
- Severity
- error
Sample message
All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$error'.
ERRORSecurityOutput is not escaped2
- Category
- Security
- Occurrences
- 2
- Severity
- error
Sample message
All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$help_text'.
ERRORMaintainabilityunlink unlink2
- Category
- Maintainability
- Occurrences
- 2
- Severity
- error
Sample message
unlink() is discouraged. Use wp_delete_file() to delete a file.
WARNINGMaintainabilityNot In Footer2
- Category
- Maintainability
- Occurrences
- 2
- Severity
- warning
Sample message
In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.
WARNINGI18nDiscouraged text-domain loading1
- Category
- I18n
- Occurrences
- 1
- Severity
- warning
Sample message
load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed.
WARNINGMaintainabilityDiscouraged PHP function1
- Category
- Maintainability
- Occurrences
- 1
- Severity
- warning
Sample message
The use of function set_time_limit() is discouraged
WARNINGMaintainabilityNo Caching1
- Category
- Maintainability
- Occurrences
- 1
- Severity
- warning
Sample message
Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().
WARNINGMaintainabilityerror log print r1
- Category
- Maintainability
- Occurrences
- 1
- Severity
- warning
Sample message
print_r() found. Debug code should not normally be used in production.
WARNINGMaintainabilityerror log var dump1
- Category
- Maintainability
- Occurrences
- 1
- Severity
- warning
Sample message
var_dump() found. Debug code should not normally be used in production.
ERRORMaintainabilityfile system operations is writeable1
- Category
- Maintainability
- Occurrences
- 1
- Severity
- error
Sample message
File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: is_writeable().
ERRORI18nMissing Arg Domain1
- Category
- I18n
- Occurrences
- 1
- Severity
- error
Sample message
Missing $domain parameter in function call to esc_html__().
WARNINGI18nNo Html Wrapped Strings1
- Category
- I18n
- Occurrences
- 1
- Severity
- warning
Sample message
Translatable string should not be wrapped in HTML. Found: '<p>Hiding email delivery errors means you will no longer be warned when emails fail to send. This is not recommended and should only be used on staging or development sites.</p>'
External Connections
Potential connections found in static code analysis.
Outbound calls
271
External assets
0
Incoming endpoints
29
Notable Domains
wpmailsmtp.com55 · outbound
app.mailgun.com6 · outbound
connect.wpmailsmtp.com4 · outbound
smashballoon.com4 · outbound
facebook.com3 · outbound
mailgun.com3 · outbound
Platform / Reference Domains
wordpress.org50 · platform/reference
downloads.wordpress.org34 · platform/reference
w3.org15 · platform/reference
github.com7 · platform/reference
make.wordpress.org1 · platform/reference
External Asset Domains
No external asset domains detected.
Incoming Endpoints
wp_ajax_nopriv_wp_mail_smtp_connect_processpublic
wp_ajax
wp_ajax_nopriv_wp_mail_smtp_init_migrationspublic
wp_ajax
Admin AJAX endpoints26
wp_ajax_wp_mail_smtp_authenticated
wp_ajax
wp_ajax_wp_mail_smtp_activelayer_wc_dismissauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_ajaxauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_connect_urlauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_debug_event_previewauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_delete_all_debug_eventsauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_email_sending_errors_dismissauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_get_wpcode_snippet_codeauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_get_wpcode_snippet_install_urlauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_notice_bar_dismissauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_notification_dismissauthenticated
wp_ajax
wp_ajax_wp_mail_smtp_page_check_{$plugin}_statusauthenticated
wp_ajax
14 more hidden
Score History
2 score snapshots
v4.9.0
30
Latest
- Findings
- 378
- Errors
- 32
- Warnings
- 346
- Check
- 2.0.0
v4.8.0
36
Score
- Findings
- 164
- Errors
- 18
- Warnings
- 146
- Check
- 2.0.0
| Scan | Score | Findings | Errors | Warnings | Plugin | Check |
|---|---|---|---|---|---|---|
| Latest | 30 | 378 | 32 | 346 | v4.9.0 | 2.0.0 |
| 36 | 164 | 18 | 146 | v4.8.0 | 2.0.0 |
Relationship Map
Author, categories, issues, domains, and nearby plugins.
Loading map
PluginAuthorCategoryIssueDomainRelated
Relationship links
Author
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Elementor Website Builder – more than just a page builder39 scoreYoast SEO – Advanced SEO with real-time guidance and built-in AI24 scoreLiteSpeed Cache35 scoreWooCommerce21 scoreAkismet Anti-spam: Spam Protection35 scoreContact Form 769 scoreSite Kit by Google – Analytics, Search Console, AdSense, Speed25 scoreWPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More31 scoreAll in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)92 scoreWPCode – Insert Headers and Footers + Custom Code Snippets – WordPress Code Manager88 scoreMC4WP: Mailchimp for WordPress57 scoreDuplicator – Backups & Migration Plugin – Cloud Backups, Scheduled Backups, & More21 scoreOne Click Demo Import38 scorePopup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation32 score
Author
Issue
Domain
Related
Elementor Website Builder – more than just a page builder39 scoreYoast SEO – Advanced SEO with real-time guidance and built-in AI24 scoreLiteSpeed Cache35 scoreWooCommerce21 scoreAkismet Anti-spam: Spam Protection35 scoreContact Form 769 scoreSite Kit by Google – Analytics, Search Console, AdSense, Speed25 scoreWPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More31 scoreAll in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)92 scoreWPCode – Insert Headers and Footers + Custom Code Snippets – WordPress Code Manager88 scoreMC4WP: Mailchimp for WordPress57 scoreDuplicator – Backups & Migration Plugin – Cloud Backups, Scheduled Backups, & More21 scoreOne Click Demo Import38 scorePopup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation32 score
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