Duplicate Killer – Stop Duplicate Form Submissions in WordPress (CF7, Elementor, Formidable, WPForms, Breakdance)

Name: Duplicate Killer – Stop Duplicate Form Submissions in WordPress (CF7, Elementor, Formidable, WPForms, Breakdance)
Rating: 5
Author: NIA

Block duplicate WordPress form submissions by validating unique email, phone and text fields — without CAPTCHA.

v1.4.8

NIA

Updated 08.02.2026, 20:41:00

Scanned 08.02.2026, 21:00:31

cf7 duplicates elementor forms validation

Score

138

Errors

178

Warnings

Installs

Security180

General86

Repo44

Performance6

Accessibility0

Top Issues by Category

Issues organized by category, type, and rule family

Report an issue

Tell us if something in this report looks wrong or if you need a deeper audit for Duplicate Killer – Stop Duplicate Form Submissions in WordPress (CF7, Elementor, Formidable, WPForms, Breakdance). We read every submission and typically reply within a day.

Top Issues by File

Files with the highest concentration of issues in the latest scan

Issues Details

316 issues found in latest scan

	Code	Message	Location	Category
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/functions_forminator.php:256:111`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:89:43`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:94:110`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:96:75`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:101:97`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:105:62`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:114:63`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:205:68`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:217:92`	General
ERROR	`WordPress.WP.I18n.TextDomainMismatch`	Mismatched text domain. Expected 'duplicate-killer' but got 'duplicatekiller'.	`includes/helpers.php:220:133`	General

316 total row(s)


08.02.2026, 21:00:31	13s	47	138	178
19.01.2026, 09:00:17	12s	53	134	142
09.12.2025, 21:00:48	10s	54	111	140
15.11.2025, 05:40:37	16s	54	112	140

Duplicate Killer – Stop Duplicate Form Submissions in WordPress (CF7, Elementor, Formidable, WPForms, Breakdance)

Security180

General83

Plugin Repository38

Performance6

includes/helpers.php58 issues in this fileTotal: 58Errors: 43Warnings: 15

function.php46 issues in this fileTotal: 46Errors: 30Warnings: 16

includes/database.php41 issues in this fileTotal: 41Errors: 16Warnings: 25

includes/functions_breakdance.php32 issues in this fileTotal: 32Errors: 10Warnings: 22

includes/functions_formidable.php26 issues in this fileTotal: 26Errors: 2Warnings: 24

includes/functions_elementor.php20 issues in this fileTotal: 20Errors: 4Warnings: 16

includes/functions_cf7.php20 issues in this fileTotal: 20Errors: 3Warnings: 17

includes/functions_wpforms.php19 issues in this fileTotal: 19Errors: 4Warnings: 15

includes/functions_forminator.php18 issues in this fileTotal: 18Errors: 4Warnings: 14

includes/functions_ninjaforms.php16 issues in this fileTotal: 16Errors: 4Warnings: 12