ZeroBounce Email Verification & Validation

ZeroBounce validates emails on your WordPress site in real-time, blocking invalid and risky emails to improve deliverability and reduce bounce rates.

v1.1.5zerobounceUpdated Added 1k+ installs96% rating
38
Score
299
Errors
162
Warnings
+0
Change

Category Scores

Security0
Repo94
Performance100
Maintainability67

Issues to Review

Prioritized issue groups from the latest Plugin Check scan

461 findings

Security

226

13 issue groups

I18n

190

5 issue groups

Maintainability

43

7 issue groups

ERRORI18nText Domain MismatchMismatched text domain. Expected 'zerobounce' but got 'zerobounce-email-validator'.154
Category
I18n
Occurrences
154
Severity
error

Sample message

Mismatched text domain. Expected 'zerobounce' but got 'zerobounce-email-validator'.

ERRORSecurityUnsafe printing functionAll output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.49
Category
Security
Occurrences
49
Severity
error

Sample message

All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

WARNINGSecurityNonce verification recommendedProcessing form data without nonce verification.46
Category
Security
Occurrences
46
Severity
warning

Sample message

Processing form data without nonce verification.

ERRORSecurityOutput is not escapedAll output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$arguments['placeholder']'.40
Category
Security
Occurrences
40
Severity
error

Sample message

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$arguments['placeholder']'.

WARNINGSecurityRequest data is not unslashed$_GET['file_id'] not unslashed before sanitization. Use wp_unslash() or similar25
Category
Security
Occurrences
25
Severity
warning

Sample message

$_GET['file_id'] not unslashed before sanitization. Use wp_unslash() or similar

WARNINGSecurityInput is not sanitizedDetected usage of a non-sanitized input variable: $_FILES["csvUpload"]24
Category
Security
Occurrences
24
Severity
warning

Sample message

Detected usage of a non-sanitized input variable: $_FILES["csvUpload"]

ERRORI18nMissing Arg DomainMissing $domain parameter in function call to esc_html__().22
Category
I18n
Occurrences
22
Severity
error

Sample message

Missing $domain parameter in function call to esc_html__().

WARNINGMaintainabilityDirect QueryUse of a direct database call is discouraged.17
Category
Maintainability
Occurrences
17
Severity
warning

Sample message

Use of a direct database call is discouraged.

WARNINGSecurityInput is not validatedDetected usage of a possibly undefined superglobal array index: $_POST[$tag->name]. Check that the array index exists before using it.13
Category
Security
Occurrences
13
Severity
warning

Sample message

Detected usage of a possibly undefined superglobal array index: $_POST[$tag->name]. Check that the array index exists before using it.

WARNINGMaintainabilityNo CachingDirect database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().12
Category
Maintainability
Occurrences
12
Severity
warning

Sample message

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

Show 15 more
ERRORI18nNon Singular String Literal Text10
Category
I18n
Occurrences
10
Severity
error

Sample message

The $text parameter must be a single text string literal. Found: $message

WARNINGSecurityInterpolated SQL is not prepared7
Category
Security
Occurrences
7
Severity
warning

Sample message

Use placeholders and $wpdb->prepare(); found interpolated variable $table at "SELECT COUNT(*) FROM `$table` $where"

ERRORSecuritySQL query is not prepared7
Category
Security
Occurrences
7
Severity
error

Sample message

Use placeholders and $wpdb->prepare(); found $date

WARNINGSecurityMissing nonce verification5
Category
Security
Occurrences
5
Severity
warning

Sample message

Processing form data without nonce verification.

ERRORSecurityDatabase parameter is not escaped4
Category
Security
Occurrences
4
Severity
error

Sample message

Unescaped parameter $date used in $wpdb->get_results()\n$date used without escaping.

WARNINGSecurityDatabase parameter is not escaped4
Category
Security
Occurrences
4
Severity
warning

Sample message

Unescaped parameter $table used in $wpdb->get_row()\n$table assigned unsafely at line 860.

ERRORMaintainabilityMissing direct file access protection4
Category
Maintainability
Occurrences
4
Severity
error

Sample message

PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

WARNINGMaintainabilityNon-prefixed function3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "activate_zerobounce_email_validator".

WARNINGMaintainabilityerror log error log3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

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

ERRORMaintainabilitywp function not compatible with requires wp3
Category
Maintainability
Occurrences
3
Severity
error

Sample message

Function "get_sites()" requires WordPress 4.6.0, but your plugin minimum supported version is WordPress 4.4.0.

ERRORI18nMissing Translators Comment2
Category
I18n
Occurrences
2
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.

ERRORI18nUnordered Placeholders Text2
Category
I18n
Occurrences
2
Severity
error

Sample message

Multiple placeholders in translatable strings should be ordered. Expected "%1$s, %2$s", but got "%s, %s" in 'You have run out of ZeroBounce Credits! Please %sbuy more credits%s to continue validating emails.'.

ERRORSecuritySetting is missing a sanitization callback1
Category
Security
Occurrences
1
Severity
error

Sample message

Sanitization missing for register_setting().

WARNINGSecurityUnfinished Prepare1
Category
Security
Occurrences
1
Severity
warning

Sample message

Replacement variables found, but no valid placeholders found in the query.

WARNINGMaintainabilitymismatched plugin name1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

Plugin name "ZeroBounce Email Verification & Validation" is different from the name declared in plugin header "ZeroBounce Email Validator".

External Connections

Potential connections found in static code analysis.

13 domains

Outbound calls

54

External assets

0

Incoming endpoints

10

Notable Domains

zerobounce.net25 · outbound
datatables.net6 · outbound
getbootstrap.com2 · outbound
api.zerobounce.net1 · outbound

Platform / Reference Domains

github.com5 · platform/reference
w3.org5 · platform/reference
gnu.org1 · platform/reference
wordpress.org1 · platform/reference

External Asset Domains

No external asset domains detected.

Incoming Endpoints

No public endpoints detected.

Admin AJAX endpoints10
wp_ajax_zerobounce_batch_email_validationauthenticated

wp_ajax

wp_ajax_zerobounce_credit_usage_logsauthenticated

wp_ajax

wp_ajax_zerobounce_current_creditsauthenticated

wp_ajax

wp_ajax_zerobounce_get_uploaded_file_dataauthenticated

wp_ajax

wp_ajax_zerobounce_validate_bulk_testauthenticated

wp_ajax

wp_ajax_zerobounce_validate_email_testauthenticated

wp_ajax

wp_ajax_zerobounce_validated_emails_downloadauthenticated

wp_ajax

wp_ajax_zerobounce_validation_full_logsauthenticated

wp_ajax

wp_ajax_zerobounce_validation_logsauthenticated

wp_ajax

wp_ajax_zerobounce_validation_single_logauthenticated

wp_ajax

Score History

First score snapshot

v1.1.5

38

Latest

Findings
461
Errors
299
Warnings
162
Check
2.0.0

Relationship Map

Author, categories, issues, domains, and nearby plugins.

37 nodes

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