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Limited data: this plugin has under 1,000 active installs and less than 12 weeks of history with us, so we show signals but no status band yet.

Thirteen Colors

by Nick Halsey · 200+ active installs · Checked 4 Nov 2026
Limited data1 Critical1 Warning

Limited data: Thirteen Colors has under 1,000 active installs and less than 12 weeks of history, so we do not rate it yet.

59/ 100 Canary Score

Capped at 59: a Critical signal is open.

Sub-scores for Thirteen Colors
Ownership100
Maintenance0
Security100
SupportNo data
ReputationNo data

How the score works

Quick answers

Is Thirteen Colors still maintained?
No. Last release 10 Jul 2016, over 10 years ago. 10 Jul 2016 · wordpress.org
Who owns Thirteen Colors, and has it changed hands?
No change recorded. 4 Nov 2026 · SVN log
Was Thirteen Colors removed from wordpress.org?
No. Listed on wordpress.org as of 4 Nov 2026. 4 Nov 2026 · wordpress.org
Is Thirteen Colors safe?
No known vulnerabilities on record. 4 Nov 2026 · Wordfence Intelligence
Is the latest Thirteen Colors update safe to install?
No ownership change before 1.0. No one-star spike after it. 20 Aug 2013 · Release history

Active signals

Facts we detected, with links to the source.

  • CriticalMNT-1No release in 125 months (last release 10 Jul 2016). Plan a replacement if the plugin is important to your site.10 Jul 2017Evidence
  • WarningMNT-2Tested up to WordPress 4.6.30, 25 major versions behind 7.1.4. Plan a replacement if the plugin is important to your site.3 Nov 2026Evidence

Ownership timeline

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

No ownership change since 2013.

Maintenance

Last release
10 years ago
Releases, 24 months
0
Tested up to
4.6 vs 7.1
Requires PHP
not stated supported 8.2+
Releases per quarter
Releases per quarter for Thirteen Colors
Q1 20240
Q2 20240
Q3 20240
Q4 20240
Q1 20250
Q2 20250
Q3 20250
Q4 20250
Q1 20260
Q2 20260
Q3 20260
Q4 20260

Last release 10 Jul 2016. Tested up to 4.6, 25 major versions behind WordPress 7.1.

Reputation

Last 90 days: no reviews. Lifetime: 4.7.

Rating distribution
5 star2
4 star1
3 star0
2 star0
1 star0

Security record

No published vulnerabilities on record for this plugin.

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

Support

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

Momentum

200+ active installs. History builds with each weekly snapshot.

Momentum history builds with each snapshot.

Healthier alternatives

Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.

No healthier plugin in the same category yet.

Facts

Version1.0
AuthorNick Halsey
Added20 Aug 2013
Last updated10 Jul 2016
Active installs200+
Requires WordPress3.6
Tested up to4.6.30
Requires PHPnot stated
Categorynot stated
Tagscolors, custom, custom colors, twenty-thirteen, theme customizer

Other plugins by this author: List Custom Taxonomy Widget, Fourteen Colors, Chronological Posts, Custom Highlight Color, Featured Image in Content, Featured Audio, Modular Custom CSS, QuickShare, Login Site Icon, CSS3 Transitions, Multisite Site Index, Multisite Custom CSS

Questions

Is Thirteen Colors still maintained?

No. Last release 10 Jul 2016, over 10 years ago.

Who owns Thirteen Colors, and has it changed hands?

No change recorded.

Was Thirteen Colors removed from wordpress.org?

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

Is Thirteen Colors safe?

No known vulnerabilities on record.

Is the latest Thirteen Colors update safe to install?

No ownership change before 1.0. 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