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PluginCanary

Duplicate Killer - Prevent Duplicate Form Submissions

by NIA · 1,000+ active installs · Checked 3 Nov 2026
Healthy

Healthy: Duplicate Killer - Prevent Duplicate Form Submissions is maintained, has no open risk signals and no unpatched vulnerabilities.

91/ 100 Canary Score
Sub-scores for Duplicate Killer - Prevent Duplicate Form Submissions
Ownership100
Maintenance100
Security100
Support70
Reputation70

How the score works

Active signals

Facts we detected, with links to the source.

No open risk signals. Signals appear here when we detect an ownership change, closure, vulnerability or decline.

Ownership timeline

Who commits to the plugin's code on wordpress.org, over time.

Committers and their active periods
plugin-master6 Oct 2022 to 6 Oct 2022, 1 commits
wpnia7 Oct 2022 to 2 Nov 2026, 62 commits

2 committers recorded. No ownership changes recorded since 3 Nov 2026.

Maintenance

Last release
yesterday
Releases, 24 months
52
Tested up to
7.1 current
Requires PHP
5.6.20 supported 8.2+
Releases per quarter for Duplicate Killer - Prevent Duplicate Form Submissions
Q1 20240
Q2 20240
Q3 20240
Q4 20240
Q1 20253
Q2 20252
Q3 20250
Q4 202513
Q1 202612
Q2 202610
Q3 20266
Q4 20266

Last release 2 Nov 2026. Tested with WordPress 7.1 (current).

Support

Support history appears after our first snapshots of the forum counts.

Security record

No published vulnerabilities on record for this plugin.

Source: Wordfence Intelligence.

Reputation

Lifetime rating 5.0 from 3 ratings. Quarterly trends appear as new reviews arrive.

Rating distribution
5 star3
4 star0
3 star0
2 star0
1 star0

Momentum

1,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for Duplicate Killer - Prevent Duplicate Form Submissions
4 May 2026464
11 May 2026197
18 May 20261,079
25 May 2026493
1 Jun 2026577
8 Jun 2026138
15 Jun 2026106
22 Jun 2026451
29 Jun 2026195
6 Jul 2026584
13 Jul 2026171
20 Jul 2026156
27 Jul 2026543
3 Aug 2026648
10 Aug 2026163
17 Aug 2026138
24 Aug 2026102
31 Aug 2026106
7 Sep 2026578
14 Sep 2026202
21 Sep 2026672
28 Sep 2026992
5 Oct 2026789
12 Oct 2026679
19 Oct 2026831
26 Oct 2026717
2 Nov 2026102

Weekly downloads over the last 4 weeks are 32% above the 27-week average.

Healthier alternatives

Same category, higher Canary Score. Never sponsored.

Database Addon For WPForms ( wpforms entries ) - WPFormsDBScore 92 · 20,000+گرویتی فرم فارسی | Persian Gravity FormsScore 92 · 20,000+

Facts

Version1.7.8
AuthorNIA
Added7 Oct 2022
Last updated2 Nov 2026
Active installs1,000+
Requires WordPress5.3
Tested up to7.1.4
Requires PHP5.6.20
CategoryE-commerce & Shopping
Tagsforminator, woocommerce, contact form 7, elementor forms, duplicate-orders

Other plugins by this author: NeuroContent

Questions

Is Duplicate Killer - Prevent Duplicate Form Submissions still maintained?

Duplicate Killer - Prevent Duplicate Form Submissions was last updated on 2 Nov 2026. Its Canary status is Healthy.

Is Duplicate Killer - Prevent Duplicate Form Submissions safe?

Duplicate Killer - Prevent Duplicate Form Submissions has no open unpatched vulnerabilities on record. 0 vulnerabilities were published in the last 24 months. Its Canary status is Healthy.

Who owns Duplicate Killer - Prevent Duplicate Form Submissions?

The wordpress.org author is NIA. Recent committers: wpnia, plugin-master. We have recorded no ownership change.

What can I use instead of Duplicate Killer - Prevent Duplicate Form Submissions?

Plugins in the same category with a higher Canary Score: Database Addon For WPForms ( wpforms entries ) - WPFormsDB, گرویتی فرم فارسی | Persian Gravity Forms.

Data: wordpress.org Plugins API, plugins SVN and Trac, wordpress.org reviews, Wordfence Intelligence.Plugin data refreshed 3 Nov 2026.Report a data issue