PluginScore

MC4WP: Mailchimp Top Bar – Email Subscribe Notification Bar

Add a customizable Mailchimp top bar that turns WordPress visitors into email subscribers without interrupting their browsing.

v1.7.6Danny van KootenUpdated Added 7k+ installs92% rating
Subscribe Baremail signupmailchimpnotification bartop bar
88
Score
1
Errors
21
Warnings
+26
Change

Category Scores

Security82
Repo100
Performance100
Maintainability87

Issues to Review

Prioritized issue groups from the latest Plugin Check scan

22 findings

Maintainability

17

7 issue groups

Security

5

2 issue groups

WARNINGMaintainabilityNon-prefixed global variableGlobal variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$class".4
Category
Maintainability
Occurrences
4
Severity
warning

Sample message

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$class".

WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
WARNINGSecurityNonce verification recommendedProcessing form data without nonce verification.4
Category
Security
Occurrences
4
Severity
warning

Sample message

Processing form data without nonce verification.

WordPress.Security.NonceVerification.Recommended
WARNINGMaintainabilityNon-prefixed constantGlobal constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "MAILCHIMP_TOP_BAR_DIR".3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

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

WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedConstantFound
WARNINGMaintainabilityNon-prefixed hook nameHook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "mc4wp_admin_footer".3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "mc4wp_admin_footer".

WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
WARNINGMaintainabilitytrademarked termThe plugin name includes a restricted term. Your chosen plugin name - "MC4WP: Mailchimp Top Bar – Email Subscribe Notification Bar" - contains the restricted term "wp" which cannot be used at all in your plugin name.3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

The plugin name includes a restricted term. Your chosen plugin name - "MC4WP: Mailchimp Top Bar – Email Subscribe Notification Bar" - contains the restricted term "wp" which cannot be used at all in your plugin name.

trademarked_term
WARNINGMaintainabilityNon-prefixed namespaceNamespaces declared by a theme/plugin should start with the theme/plugin prefix. Found: "MailChimp\TopBar".2
Category
Maintainability
Occurrences
2
Severity
warning

Sample message

Namespaces declared by a theme/plugin should start with the theme/plugin prefix. Found: "MailChimp\TopBar".

WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedNamespaceFound
WARNINGSecuritywp redirect wp redirectwp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.1
Category
Security
Occurrences
1
Severity
warning

Sample message

wp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.

WordPress.Security.SafeRedirect.wp_redirect_wp_redirectReference
WARNINGMaintainabilitymismatched plugin namePlugin name "MC4WP: Mailchimp Top Bar – Email Subscribe Notification Bar" is different from the name declared in plugin header "MC4WP: Mailchimp Top Bar".1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

Plugin name "MC4WP: Mailchimp Top Bar – Email Subscribe Notification Bar" is different from the name declared in plugin header "MC4WP: Mailchimp Top Bar".

mismatched_plugin_nameReference
ERRORMaintainabilitywp function not compatible with requires wpFunction "str_starts_with()" requires WordPress 5.9.0, but your plugin minimum supported version is WordPress 4.9.0.1
Category
Maintainability
Occurrences
1
Severity
error

Sample message

Function "str_starts_with()" requires WordPress 5.9.0, but your plugin minimum supported version is WordPress 4.9.0.

wp_function_not_compatible_with_requires_wpReference

External Connections

Not analyzed yet.

Score History

2 score snapshots

+26
1007550250Jun 21, 2026, 01:02 AM UTC Score 62/100 Plugin v1.7.5 Plugin Check 2.0.0 0 errors, 40 warningsJun 22, 2026, 09:31 AM UTC Score 88/100 Plugin v1.7.6 Plugin Check 2.0.0 1 errors, 21 warningsJun 21, 2026Jun 22, 2026

v1.7.6

88

Latest

Findings
22
Errors
1
Warnings
21
Check
2.0.0

v1.7.5

62

Score

Findings
40
Errors
0
Warnings
40
Check
2.0.0

Relationship Map

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29 nodes

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