TaxJar – Sales Tax Automation for WooCommerce

Trusted by more than 20,000 businesses, TaxJar’s award-winning solution makes it easy to automate sales tax reporting and filing, and determine econom …

v4.2.8Sean VossUpdated Added 5k+ installs52% rating
34
Score
236
Errors
170
Warnings
+0
Change

Category Scores

Security0
Repo88
Performance100
Maintainability54

Issues to Review

Prioritized issue groups from the latest Plugin Check scan

406 findings

I18n

157

4 issue groups

Security

139

11 issue groups

Maintainability

106

10 issue groups

ERRORI18nText Domain MismatchMismatched text domain. Expected 'taxjar-simplified-taxes-for-woocommerce' but got 'taxjar'.151
Category
I18n
Occurrences
151
Severity
error

Sample message

Mismatched text domain. Expected 'taxjar-simplified-taxes-for-woocommerce' but got 'taxjar'.

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.

WARNINGMaintainabilityNo CachingDirect database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().34
Category
Maintainability
Occurrences
34
Severity
warning

Sample message

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

WARNINGSecurityNonce verification recommendedProcessing form data without nonce verification.28
Category
Security
Occurrences
28
Severity
warning

Sample message

Processing form data without nonce verification.

ERRORSecuritySQL query is not preparedUse placeholders and $wpdb->prepare(); found $query21
Category
Security
Occurrences
21
Severity
error

Sample message

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

ERRORSecurityDatabase parameter is not escapedUnescaped parameter $order_ids_string used in $wpdb->get_results()\n$order_ids_string assigned unsafely at line 692.20
Category
Security
Occurrences
20
Severity
error

Sample message

Unescaped parameter $order_ids_string used in $wpdb->get_results()\n$order_ids_string assigned unsafely at line 692.

ERRORSecurityException output is not escapedAll output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$response'.17
Category
Security
Occurrences
17
Severity
error

Sample message

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

WARNINGSecurityRequest data is not unslashed$_GET['post'] not unslashed before sanitization. Use wp_unslash() or similar17
Category
Security
Occurrences
17
Severity
warning

Sample message

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

WARNINGSecurityInput is not sanitizedDetected usage of a non-sanitized input variable: $_GET['post']16
Category
Security
Occurrences
16
Severity
warning

Sample message

Detected usage of a non-sanitized input variable: $_GET['post']

WARNINGMaintainabilityNon-prefixed global variableGlobal variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$active_plugins".11
Category
Maintainability
Occurrences
11
Severity
warning

Sample message

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

Show 15 more
ERRORSecurityOutput is not escaped9
Category
Security
Occurrences
9
Severity
error

Sample message

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"<div class=\"error\"><p>$message</p></div>"'.

ERRORMaintainabilitydate date8
Category
Maintainability
Occurrences
8
Severity
error

Sample message

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

WARNINGSecurityMissing nonce verification5
Category
Security
Occurrences
5
Severity
warning

Sample message

Processing form data without nonce verification.

WARNINGMaintainabilityMissing Version5
Category
Maintainability
Occurrences
5
Severity
warning

Sample message

Resource version not set in call to wp_enqueue_script(). This means new versions of the script may not always be loaded due to browser caching.

WARNINGMaintainabilityNot In Footer4
Category
Maintainability
Occurrences
4
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.

WARNINGSecurityInterpolated SQL is not prepared3
Category
Security
Occurrences
3
Severity
warning

Sample message

Use placeholders and $wpdb-&gt;prepare(); found interpolated variable {$order_ids_string} at \t\t\tAND o.parent IN ( {$order_ids_string} )\n

WARNINGMaintainabilityerror log print r3
Category
Maintainability
Occurrences
3
Severity
warning

Sample message

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

ERRORI18nMissing Arg Domain3
Category
I18n
Occurrences
3
Severity
error

Sample message

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

WARNINGSecurityInput is not validated2
Category
Security
Occurrences
2
Severity
warning

Sample message

Detected usage of a possibly undefined superglobal array index: $_GET[&#039;post&#039;]. Check that the array index exists before using it.

ERRORMaintainabilityrand mt rand2
Category
Maintainability
Occurrences
2
Severity
error

Sample message

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

ERRORI18nNon Singular String Literal Text2
Category
I18n
Occurrences
2
Severity
error

Sample message

The $text parameter must be a single text string literal. Found: 'WP_Error occurred on ' . $last_request . ' request. Details: '

WARNINGMaintainabilityupgrade notice limit2
Category
Maintainability
Occurrences
2
Severity
warning

Sample message

The upgrade notice for "1.3.3" exceeds the limit of 300 characters.

WARNINGSecurityDatabase parameter is not escaped1
Category
Security
Occurrences
1
Severity
warning

Sample message

Unescaped parameter $table used in $wpdb-&gt;query()

WARNINGMaintainabilitySchema Change1
Category
Maintainability
Occurrences
1
Severity
warning

Sample message

Attempting a database schema change is discouraged.

ERRORI18nMissing Translators Comment1
Category
I18n
Occurrences
1
Severity
error

Sample message

A function call to esc_html__() 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.

External Connections

Potential connections found in static code analysis.

6 domains

Outbound calls

11

External assets

0

Incoming endpoints

2

Notable Domains

taxjar.com5 · outbound
api.taxjar.com2 · outbound
app.taxjar.com1 · outbound
support.taxjar.com1 · outbound

Platform / Reference Domains

gnu.org1 · platform/reference
wordpress.org1 · platform/reference

External Asset Domains

No external asset domains detected.

Incoming Endpoints

No public endpoints detected.

Admin AJAX endpoints2
wp_ajax_wc_taxjar_run_transaction_backfillauthenticated

wp_ajax

wp_ajax_wc_taxjar_update_nexus_cacheauthenticated

wp_ajax

Score History

2 score snapshots

+0
1007550250Jun 21, 2026, 06:03 AM UTC Score 34/100 Plugin v4.2.7 Plugin Check 2.0.0 236 errors, 170 warningsJun 23, 2026, 08:42 PM UTC Score 34/100 Plugin v4.2.8 Plugin Check 2.0.0 236 errors, 170 warningsJun 21, 2026Jun 23, 2026

v4.2.8

34

Latest

Findings
406
Errors
236
Warnings
170
Check
2.0.0

v4.2.7

34

Score

Findings
406
Errors
236
Warnings
170
Check
2.0.0

Relationship Map

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

33 nodes

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