MailPoet – Newsletters, Email Marketing, and Automation

Send beautiful newsletters from WordPress. Collect subscribers with signup forms, automate your emails for WooCommerce, blog post notifications & more

v5.30.0MailPoetUpdated 2026-06-17Added Oct 28, 2016500k+ installs88% rating66% support resolved
23
Score
858
Errors
711
Warnings
+0
Change

Category Scores

Security0
Repo85
Performance98
Maintainability0

Top Issues by Category

security821
maintainability683
i18n6

Issues Details

1,569 issues found in latest scan

ERROR649
WordPress.Security.EscapeOutput.ExceptionNotEscaped

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"Could not create new segment with name [{$name}] because a segment with that name already exists."'.

WARNING174
WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedClassFound

Classes declared by a theme/plugin should start with the theme/plugin prefix. Found: "__TwigTemplate_02deb84769839d0a6212d921e633c1fa1d1daa6b34177426293099b2197e4112".

WARNING106
WordPress.DB.DirectDatabaseQuery.DirectQuery

Use of a direct database call is discouraged.

WARNING102
WordPress.DB.DirectDatabaseQuery.NoCaching

Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().

WARNING97
WordPress.Security.NonceVerification.Recommended

Processing form data without nonce verification.

WARNING89
WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedConstantFound

Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "DECLARED_FORM".

ERROR64
PluginCheck.CodeAnalysis.Heredoc.NotAllowed

Use of heredoc syntax (<<<) is not allowed; use standard strings or inline HTML instead

WARNING45
WordPress.Security.NonceVerification.Missing

Processing form data without nonce verification.

ERROR25
WordPress.DateTime.RestrictedFunctions.date_date

date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

ERROR25
WordPress.WP.AlternativeFunctions.rand_mt_rand

mt_rand() is discouraged. Use the far less predictable wp_rand() instead.

WARNING18
PluginCheck.Security.DirectDB.UnescapedDBParameter

Unescaped parameter $andWhere used in $wpdb-&gt;get_results()\n$andWhere assigned unsafely at line 344.

WARNING16
WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: &quot;$bar&quot;.

ERROR15
WordPress.WP.AlternativeFunctions.rand_rand

rand() is discouraged. Use the far less predictable wp_rand() instead.

ERROR14
WordPress.WP.AlternativeFunctions.parse_url_parse_url

parse_url() is discouraged because of inconsistency in the output across PHP versions; use wp_parse_url() instead.

WARNING12
WordPress.Security.ValidatedSanitizedInput.MissingUnslash

$_GET[&#039;id&#039;] not unslashed before sanitization. Use wp_unslash() or similar

ERROR8
WordPress.WP.AlternativeFunctions.strip_tags_strip_tags

strip_tags() is discouraged. Use the more comprehensive wp_strip_all_tags() instead.

ERROR8
WordPress.WP.AlternativeFunctions.unlink_unlink

unlink() is discouraged. Use wp_delete_file() to delete a file.

ERROR7
WordPress.WP.EnqueuedResources.NonEnqueuedScript

Scripts must be registered/enqueued via wp_enqueue_script()

WARNING6
WordPress.DB.DirectDatabaseQuery.SchemaChange

Attempting a database schema change is discouraged.

ERROR6
WordPress.WP.I18n.TextDomainMismatch

Mismatched text domain. Expected 'mailpoet' but got 'woocommerce'.

WARNING5
WordPress.PHP.DevelopmentFunctions.error_log_error_log

error_log() found. Debug code should not normally be used in production.

WARNING5
WordPress.PHP.DevelopmentFunctions.error_log_trigger_error

trigger_error() found. Debug code should not normally be used in production.

ERROR5
WordPress.WP.AlternativeFunctions.file_system_operations_fwrite

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fwrite().

ERROR5
WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet

Stylesheets must be registered/enqueued via wp_enqueue_style()

WARNING4
Squiz.PHP.DiscouragedFunctions.Discouraged

The use of function ini_set() is discouraged

Latest Snapshot

Findings

1,569

Errors

858

Warnings

711

Score History

First score snapshot

First scan completed Jun 19, 2026

v5.30.0 · Plugin Check 2.0.0 · Model 2026.06-mvp-static-v2

Jun 19, 2026

v5.30.0

23

Latest

Findings
1,569
Errors
858
Warnings
711
Plugin Check
2.0.0
Model
2026.06-mvp-static-v2

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