How can I customize CodeColorer CSS rules?

Go to the Settings > CodeColorer page in Site Admin and change the "Custom CSS Styles" option. I see , &, ") in my code. You should use [cc escaped="true"] or [cce] in the visual editor when inserting code into the post.

by Dmytro Shteflyuk 4.9 (11 reviews)

CodeColorer

Name: CodeColorer
Rating: 4.9 (11 reviews)
Author: Dmytro Shteflyuk

Syntax highlighting for code snippets in posts, comments, and RSS, with inline code, themes, and line numbers.

CodeColorer ranks #6,464 among WordPress.org plugins with 1,000+ active installations, is #196 of 2,881 in the Discussion & Community category, a 4.9/5 rating from 11 reviews, and was last updated Aug 15, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v0.12.0 Current Version v0.12.0

Updated 1 month ago Last Update on 15 Aug, 2026

Refreshed 12 hours ago Last Refreshed on

#196 of 2,881 in Discussion & Community Top 10% by installs

View on WordPress.org

Rank

#6,464

+4 this week

Active Installs

1K+

-24.9%

KW Avg Position

66.3

— No change

Downloads

125.3K

+14 today

Support Resolved

— No change

Rating

98%

Review 4.9 out of 5

4.9 (11 reviews)

Next Milestone 2K

Total Progress 32.4%

1K+ 2K+

1,329

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Need 676 more installs to reach 2K+

Rank Changes

Current #6,464

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.9

11 reviews

Overall 98%

10 (91%)

1 (9%)

0 (0%)

Security History

Source: WPVulnerability

3 known vulnerabilities on record · 2 in the last 24 months · checked 1 month ago

Apr 15, 2026

CodeColorer [codecolorer] < 0.10.2

CVE-2026-4032 · Fixed in v0.10.2
Dec 30, 2025

CodeColorer [codecolorer] < 0.10.2

CVE-2025-68012 · Fixed in v0.10.2
Jun 5, 2023

CodeColorer [codecolorer] < 0.10.1

CVE-2023-2795 · Fixed in v0.10.1

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Plugin Details

Version: 0.12.0
Last Updated: Aug 15, 2026
Requires WP: 4.0+
Tested Up To: 7.1
PHP Version: 7.0 or higher
Author: Dmytro Shteflyuk

Support & Rating

Rating: ★ ★ ★ ★ ★ 4.9
Reviews: 11
Support Threads: 0
Resolved: 0%

Keywords

code comments highlighting snippet syntax

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TL;DR

AI summary of the plugin's readme

CodeColorer is for WordPress site owners and bloggers who publish source code in posts, comments, or RSS feeds. It adds syntax highlighting powered by the GeSHi library, with customizable themes and formatting options for displaying code cleanly.

Syntax highlighting in RSS feeds
Inline single-line code highlighting
Syntax highlighting in comments
Line numbers
Automatic documentation links
Intelligent scroll detection
Predefined color themes
CSS syntax color customization

Frequently Asked Questions

Common questions about CodeColorer

Go to the Settings > CodeColorer page in Site Admin and change the "Custom CSS Styles" option. I see < instead of < (or other HTML entities like >, &, ") in my code. You should use [cc escaped="true"] or [cce] in the visual editor when inserting code into the post.

CodeColorer performs code highlighting on the server; you could see HTML of the highlighted code in the page source.

Yes, resulting XHTML is completely valid.

Yes, CodeColorer supports code highlighting in comments using the same syntax, as you use in your blog posts.

Use <code no_cc="true"> option for your code block. I have updated the plugin to the newest version and now I keep getting following warnings: Warning: array_keys() [function.array-keys]: The first argument should be an array in /home/wordpress/wp-content/plugins/codecolorer/lib/geshi.php on line 3599 Remove all files from the wp-content/plugins/codecolorer folder and unpack an archive with plugin again (thanks to Anatoliy 'TLK' Kolesnick).

You can upload this file with the WordPress uploader or put it somewhere in the uploads folder, and then specify the relative path with the file="relative/path/to/file" attribute: [cc_ruby file="test_project/main.rb"][/cc_ruby] This snippet will insert code from the UPLOADS_DIR/test_project/main.rb file. Google Website Translator breaks my code blocks The solution is to add notranslate class to the list of "Custom CSS Classes" on the admin plugin settings page.

Yes. We do not store or process any user information.