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PluginCanary

Delete Duplicate Posts

by Lars Koudal · 10,000+ active installs · Checked 4 Nov 2026
Healthy

Healthy: released 28 days ago, tested with WordPress 7.1, no open vulnerabilities.

95/ 100Healthy
Canary Score

Based on 3 of 5 areas

Capped at 95: not enough support or review data for a full score.

Sub-scores for Delete Duplicate Posts
Ownership100
Maintenance100
Security90
SupportNo data
ReputationNo data

How the score works

Active signals

Open issues right now, with links to the source.

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

History: 4 past vulnerabilities, all patched. Patched issues are listed in the Security record, not here.

Quick answers

Is Delete Duplicate Posts still maintained?
Yes. Last release 7 Oct 2026, 13 releases in the last 24 months. 7 Oct 2026 · wordpress.org
Who owns Delete Duplicate Posts, and has it changed hands?
No change recorded. Main committer lkoudal since Sep 2009. 4 Nov 2026 · SVN log
Was Delete Duplicate Posts removed from wordpress.org?
No. Listed on wordpress.org as of 4 Nov 2026. 4 Nov 2026 · wordpress.org
Is Delete Duplicate Posts safe?
4 known vulnerabilities, all fixed (latest in 4.9). Not on the exploited list. 13 Nov 2023 · Wordfence Intelligence
Is the latest Delete Duplicate Posts update safe to install?
No ownership change before 5.2.2. No one-star spike after it. 7 Oct 2026 · Release history

Ownership timeline

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

Committers and their active periods
lkoudal2 Sep 2009 to 7 Oct 2026, 138 commits
cleverplugins25 Feb 2019 to 1 Mar 2022, 22 commits

2 committers recorded. No ownership changes recorded since 2009.

Maintenance

Last release
28 days ago
Releases, 24 months
13
Tested up to
7.1 current
Requires PHP
7.4 supported 8.2+
Releases per quarter
Releases per quarter for Delete Duplicate Posts
Q1 20243
Q2 20242
Q3 20240
Q4 20240
Q1 20254
Q2 20250
Q3 20250
Q4 20250
Q1 20264
Q2 20262
Q3 20262
Q4 20261

Last release 7 Oct 2026. Tested with WordPress 7.1 (current).

Support

Resolved, last 2 months
100%
Threads, last 2 months
1

Trend appears after 8 weekly snapshots.

Security record

4 vulnerabilities on record, all patched (latest fixed in 4.9).

Show 4 patched vulnerabilities
DateIssueCVSSAffectedFixed inDays to patch
13 Nov 2023Missing Authorization via AJAX Actions5.4< 4.94.954
18 Jul 2023Reflected Cross-Site Scripting via fs_request_get6.14.1.9 to 4.8.84.8.9140
4 Mar 2022Missing Authorization Checks6.3< 4.7.54.7.5231
25 Feb 2019Missing Authorization to Arbitrary Options Update8.8< 4.1.9.54.1.9.5n/a

Changelog mentions of security fixes: 5.1 (security, escaping); 5.2 (security).

Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.

Reputation

Last 90 days: no reviews. Lifetime: 4.8.

Last 90 days vs lifetime average rating for Delete Duplicate Posts
Last 90 daysNo reviews
Lifetime4.8
Average rating per quarter
Average rating per quarter for Delete Duplicate Posts
Q4 20245.0
Q1 20255.0
Q2 20255.0
Q3 20253.0
Q4 20255.0
Q1 20265.0
Q2 20265.0
Q3 20265.0

Average rating stayed at 5.0 between Q4 2024 and Q3 2026.

Rating distribution
5 star136
4 star9
3 star1
2 star3
1 star4
Latest low reviews

Momentum

Active installs
10,000+
Downloads, last full week
1,826
Weekly downloads, last 26 complete weeks
Weekly downloads for Delete Duplicate Posts
4 May 2026195
11 May 2026434
18 May 2026414
25 May 2026425
1 Jun 2026345
8 Jun 2026414
15 Jun 20265,283
22 Jun 20261,682
29 Jun 2026994
6 Jul 20261,667
13 Jul 2026567
20 Jul 2026585
27 Jul 2026563
3 Aug 2026541
10 Aug 2026530
17 Aug 2026506
24 Aug 2026530
31 Aug 2026493
7 Sep 2026512
14 Sep 2026410
21 Sep 202611,641
28 Sep 20261,354
5 Oct 20266,897
12 Oct 20261,328
19 Oct 20261,135
26 Oct 20261,826

Weekly downloads over the last 4 weeks are 76% above the 26-week average.

Healthier alternatives

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Facts

Version
5.2.2
Author
Lars Koudal
Added
2 Sep 2009
Last updated
7 Oct 2026
Active installs
10,000+
Requires WordPress
4.7
Tested up to
7.1.4
Requires PHP
7.4
Category
Site Administration & Utilities > URL Redirects & 301 Management
Tags
cleanup, duplicates, performance, optimization, delete duplicate posts

Other plugins by this author: Security Ninja For MainWP, PPinger, Grumpy AI Gate

Questions about Delete Duplicate Posts

Is Delete Duplicate Posts still maintained?

Yes. Last release 7 Oct 2026, 13 releases in the last 24 months.

Who owns Delete Duplicate Posts, and has it changed hands?

No change recorded. Main committer lkoudal since Sep 2009.

Was Delete Duplicate Posts removed from wordpress.org?

No. Listed on wordpress.org as of 4 Nov 2026.

Is Delete Duplicate Posts safe?

4 known vulnerabilities, all fixed (latest in 4.9). Not on the exploited list.

Is the latest Delete Duplicate Posts update safe to install?

No ownership change before 5.2.2. No one-star spike after it.

Data: wordpress.org Plugins API, plugins SVN and Trac, wordpress.org reviews and support forum, Wordfence Intelligence, CISA KEV, NVD.Plugin data refreshed 4 Nov 2026.Report a data issue