Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning
by Paul 4.8 (1,038 reviews)

Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

Smart WordPress security that blocks bots automatically, guides you to what matters, and repairs problems — without drowning you in noise.

Shield Security ranks #929 among WordPress.org plugins with 30,000+ active installations, is #47 of 1,578 in the Authentication category, a 4.8/5 rating from 1,038 reviews, and was last updated Sep 8, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1
v22.2.2 Current Version v22.2.2
Updated 1 week ago Last Update on 08 Sep, 2026
Refreshed 9 hours ago Last Refreshed on
#47 of 1,578 in Authentication Top 5% by installs Downloads +325.6% this week Actively maintained
View on WordPress.org
Rank
#929
No change
Active Installs
30K+
-24.6%
KW Avg Position
24
No change
Downloads
12.8M
+213 today
Support Resolved
50%
No change
Rating
96%
Review 4.8 out of 5
4.8 (1,038 reviews)

Next Milestone 40K

Total Progress 91.3%
30K+ 40K+
16
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Need 875 more installs to reach 40K+

Rank Changes

879 903 927 951 975 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026
877 901 926 951 975 01-09-2026 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026
Current #929
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 2K 4K 6K 8K 10K 12K 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026
0 2K 4K 6K 8K 10K 12K 01-09-2026 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026
Downloads
Growth
Peak

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Reviews & Ratings

4.8
1,038 reviews
Overall 96%
5
969 (93%)
4
26 (3%)
3
11 (1%)
2
9 (1%)
1
23 (2%)

Support Threads Overview

Resolved
Unresolved
4
Total Threads
2
Resolved
2
Unresolved
50%
Resolution Rate

Security History

Source: WPVulnerability

11 known vulnerabilities on record · 4 in the last 24 months · checked 1 week ago

  1. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 21.0.10

    CVE-2026-0722 · Fixed in v21.0.10

  2. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 21.0.10

    CVE-2026-0561 · Fixed in v21.0.10

  3. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 21.0.10

    CVE-2025-14427 · Fixed in v21.0.10

  4. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 21.0.10

    CVE-2025-15370 · Fixed in v21.0.10

  5. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 20.0.6

    CVE-2024-7313 · Fixed in v20.0.6

  6. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 19.1.11

    CVE-2024-4344 · Fixed in v19.1.11

  7. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 18.5.10

    CVE-2023-6989 · Fixed in v18.5.10

  8. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 18.5.8

    CVE-2024-22163 · Fixed in v18.5.8

  9. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 17.0.18

    CVE-2023-0993 · Fixed in v17.0.18

  10. Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning [wp-simple-firewall] < 17.0.18

    CVE-2023-0992 · Fixed in v17.0.18

Showing the 10 most recent of 11 records.

TL;DR

AI summary of the plugin's readme

Shield Security is for WordPress site owners, agencies, and MSPs who want protection that runs itself without constant attention. It automatically blocks bots and brute-force attacks, repairs altered core files, and organizes remaining security tasks by priority instead of overwhelming users with raw alerts.

  • Automatic IP blocking
  • Automatic core file repair
  • Automatic bot recognition
  • silentCAPTCHA form protection
  • Two-factor authentication (2FA)
  • Brute force login protection
  • Core file integrity scanning
  • CrowdSec integration

Frequently Asked Questions

Common questions about Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

Shield assigns offense points to visitors who trigger security rules — failed logins, firewall blocks, silentCAPTCHA failures, and other signals. When a visitor's points reach the configured threshold, they are blocked automatically. You can review blocked IPs, adjust thresholds, or add manual rules from the IP Rules section.
It analyses passive signals — timing, form interaction behaviour, and request characteristics — to distinguish automated requests from genuine visitors. There is no challenge to complete, no external site keys to set up, and no JavaScript that can break your forms. Everything stays on your server.
Your host or network firewall protects the server perimeter. Shield works inside WordPress, where it understands login attempts, user changes, plugin activity, file integrity, and attack patterns specific to WordPress. The two layers solve different problems and complement each other.
Yes. silentCAPTCHA protects the WordPress comment form in the free plugin. ShieldPRO extends coverage to Contact Form 7, Ninja Forms, WooCommerce, and a range of other integrations.
Generally, no. Running two plugins that control the same login or request flows leads to duplicate blocking, noisier logs, and harder troubleshooting. If you keep another plugin active, disable the areas where they overlap.
This usually happens after adding your own IP to the block list, or enabling 2FA when your site cannot deliver email codes. Open an FTP or file manager connection to <your WordPress root>/wp-content/plugins/wp-simple-firewall/. Create a file in that folder called forceoff. Load any page on your site — Shield will switch off. Delete forceoff from the server once you are back in. I'm not receiving my 2FA email code. Email delivery depends on your site's mail configuration, not Shield. If it is unreliable, set up a dedicated transactional email service or switch users to an authenticator app instead.
Yes to both. Shield supports CIDR notation for IP ranges, and bypass entries always take precedence over block rules.
Yes. ShieldPRO includes White Label controls to rename and rebrand Shield for client sites.

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