Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning vulnerabilities
Plugin slug wp-simple-firewall · 12 known vulnerabilities · latest disclosed 2026-10-30 · WordPress.org page
Every listed vulnerability has a fix. Version 22.3.4 or later is not affected by any of them. If your site runs an older version, update it.
4 of 12 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 22.3.2 | 22.3.4 | CVE-2026-118057 | 2026-10-30 | Advisory |
| Medium 6.5 | <= 21.0.8 | 21.0.10 | CVE-2026-0722 | 2026-02-18 | Advisory |
| Medium 6.1 | <= 21.0.8 | 21.0.10 | CVE-2026-0561 | 2026-02-18 | Advisory |
| Medium 4.3 | <= 21.0.9 | 21.0.10 | CVE-2025-14427 | 2026-02-18 | Advisory |
| Medium 4.3 | <= 21.0.9 | 21.0.10 | CVE-2025-15370 | 2026-01-15 | Advisory |
| Medium 6.1 | <= 20.0.5 | 20.0.6 | CVE-2024-7313 | 2024-08-05 | Advisory |
| Medium 4.3 | <= 19.1.10 | 19.1.11 | CVE-2024-4344 | 2024-06-01 | Advisory |
| Critical 9.8 | <= 18.5.9 | 18.5.10 | CVE-2023-6989 | 2024-02-05 | Advisory |
| High 7.2 | <= 18.5.7 | 18.5.8 | CVE-2024-22163 | 2024-01-16 | Advisory |
| High 7.2 | < 17.0.18 | 17.0.18 | CVE-2023-0992 | 2023-04-25 | Advisory |
| Medium 4.3 | < 17.0.18 | 17.0.18 | CVE-2023-0993 | 2023-04-25 | Advisory |
| Medium 5.5 | <= 13.0.5 | 13.0.6 | CVE-2022-0211 | 2022-01-19 | Advisory |
Check if a site is affected
Enter a site address to see which version of Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning plugin safe to use?
All 12 known issues are fixed in current versions (22.3.4 or later). Keeping it updated is what matters.
How do I check which version of Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.