by Andrew Norcross 4.4 (5 reviews)

Comment Blacklist Manager

Name: Comment Blacklist Manager
Rating: 4.4 (5 reviews)
Author: Andrew Norcross

Remotely add terms to the WordPress Disallowed Comment Keys field to manage spam.

Comment Blacklist Manager ranks #8,628 among WordPress.org plugins with 500+ active installations, is #306 of 2,958 in the Discussion & Community category, a 4.4/5 rating from 5 reviews, and was last updated Aug 16, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7 (Current: 7.1.4)

v1.0.1 Current Version v1.0.1

Updated 2 months ago Last Update on 16 Aug, 2026

Refreshed 1 week ago Last Refreshed on

#306 of 2,958 in Discussion & Community Top 25% by installs Downloads +91.7% this week

View on WordPress.org

Rank

#8,628

— No change

Active Installs

500+

-15.4%

KW Avg Position

1 worse

Downloads

8.2K

+5 today

Support Resolved

— No change

Rating

88%

Review 4.4 out of 5

4.4 (5 reviews)

Next Milestone 600

Total Progress 85%

500+ 600+

131

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #8,628

Change

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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

4.4

5 reviews

Overall 88%

4 (80%)

0 (0%)

1 (20%)

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Comment Blacklist Manager. Checked 3 months ago.

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Plugin Details

Version: 1.0.1
Last Updated: Aug 16, 2026
Requires WP: 5.6+
Tested Up To: 7
PHP Version: 7.0 or higher
Author: Andrew Norcross

Support & Rating

Rating: ★ ★ ★ ★ ☆ 4.4
Reviews: 5
Support Threads: 0
Resolved: 0%

Keywords

blacklist comments spam

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who want to manage comment spam without manually editing the Disallowed Comment Keys list. It automatically fetches spam terms from a remote source on a schedule and updates the disallowed keys, while preserving manually added local terms and removing excluded ones.

Remote term fetching
Scheduled automatic updates
Updates disallowed_keys setting
Local Blacklist retention
Excluded Terms removal
Default term list from GitHub

Frequently Asked Questions

Common questions about Comment Blacklist Manager

The default blacklist is maintained by Grant Hutchinson on GitHub.

Generally, the default blacklist is updated several times per month. This includes the addition of new entries and the optimizing of existing entries. Sometimes the default blacklist can undergo multiple updates per week, depending on how much spam in being sent to public WordPress sites we use to test the plugin.

Yes, you can. Use the filter cblm_sources to add different source URLs. To replace the default source completely: add_filter( 'cblm_sources', 'rkv_cblm_replace_blacklist_sources' ); function rkv_cblm_replace_blacklist_sources( $list ) { return array( 'http://example.com/blacklist-1.txt' 'http://example.com/blacklist-2.txt' ); } To add a new source to the existing sources: add_filter( 'cblm_sources', 'rkv_cblm_add_blacklist_source' ); function rkv_cblm_add_blacklist_source( $list ) { $list[] = 'http://example.com/blacklist-1.txt'; return $list; } The plugin expects the list of terms to be in plain text format with each entry on its own line. If the source is provided in a different format (eg: a JSON feed or serialized array), then the result must be run through the cblm_parse_data_result filter, which parses the source as a list of terms and the source URL.

The plugin will update the list of terms from the specified sources every 24 hours.

Yes, you can. Use the filter cblm_update_schedule to modify the time between updates. add_filter( 'cblm_update_schedule', 'rkv_cblm_custom_schedule' ); function rkv_cblm_custom_schedule( $time ) { return DAY_IN_SECONDS; } The return data should be specified using WordPress Transient Time Constants.

Yes. Individual terms can be added to the “Local Blacklist” field in the “Settings > Discussion” area of WordPress. Each term must be entered on its own line.

Yes. Individual terms can be excluded from the automatically fetched blacklist by adding them to the “Excluded Terms” field in the “Settings > Discussion” area of WordPress. Each term must be entered on its own line.