All-In-One Security (AIOS) – Security and Firewall vulnerabilities
Plugin slug all-in-one-wp-security-and-firewall · 29 known vulnerabilities · latest disclosed 2026-10-27 · WordPress.org page
Every listed vulnerability has a fix. Version 5.5.0 or later is not affected by any of them. If your site runs an older version, update it.
8 of 29 rated high or critical (CVSS 7 or more).
Known vulnerabilities in All-In-One Security (AIOS) – Security and Firewall
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 5.4.0 | 5.5.0 | CVE-2026-111739 | 2026-10-27 | Advisory |
| Medium 6.3 | <= 5.4.8 | 5.4.9 | CVE-2026-96825 | 2026-09-24 | Advisory |
| High 7.2 | <= 5.4.7 | 5.4.8 | CVE-2026-8438 | 2026-06-05 | Advisory |
| Medium 4.3 | <= 5.2.6 | 5.2.7 | CVE-2024-30468 | 2024-02-08 | Advisory |
| Medium 6.1 | <= 5.2.5 | 5.2.6 | CVE-2024-1037 | 2024-02-06 | Advisory |
| Medium 5.3 | < 5.2.5 | 5.2.5 | CVE-2023-52147 | 2023-10-25 | Advisory |
| Medium 5.9 | 5.1.9 | 5.2.0 | none | 2023-07-11 | Advisory |
| Medium 4.4 | <= 5.1.4 | 5.1.5 | CVE-2023-0157 | 2023-03-20 | Advisory |
| Medium 4.9 | <= 5.1.4 | 5.1.5 | CVE-2023-0156 | 2023-02-14 | Advisory |
| Medium 5.3 | <= 5.1.2 | 5.1.3 | CVE-2022-4346 | 2022-12-09 | Advisory |
| High 8.8 | <= 5.1.0 | 5.1.1 | CVE-2022-44737 | 2022-11-22 | Advisory |
| Medium 6.5 | <= 5.0.7 | 5.0.8 | CVE-2022-4097 | 2022-11-21 | Advisory |
| High 8.8 | <= 5.1.0 | 5.1.1 | none | 2022-11-17 | Advisory |
| Medium 6.5 | 5.0.0 to 5.0.7 | 5.0.8 | none | 2022-09-30 | Advisory |
| Medium 6.1 | < 4.4.11 | 4.4.11 | CVE-2021-25102 | 2022-04-11 | Advisory |
| Medium 6.1 | < 4.4.6 | 4.4.6 | CVE-2020-29171 | 2020-12-24 | Advisory |
| Medium 4.7 | <= 4.4.3 | 4.4.4 | none | 2020-09-08 | Advisory |
| Critical 9.8 | < 4.0.9 | 4.0.9 | CVE-2016-10887 | 2019-08-14 | Advisory |
| Medium 6.1 | < 4.2.0 | 4.2.0 | CVE-2016-10866 | 2016-11-11 | Advisory |
| Medium 5.3 | <= 4.1.2 | 4.1.3 | none | 2016-07-31 | Advisory |
| Critical 9.8 | < 4.0.7 | 4.0.7 | CVE-2016-10888 | 2016-04-06 | Advisory |
| Medium 6.1 | < 4.0.6 | 4.0.6 | CVE-2016-10867 | 2016-02-23 | Advisory |
| Medium 6.1 | < 4.0.5 | 4.0.5 | CVE-2016-10868 | 2016-02-22 | Advisory |
| Medium 6.1 | < 3.9.8 | 3.9.8 | CVE-2015-9293 | 2015-08-15 | Advisory |
| Medium 6.1 | < 3.9.5 | 3.9.5 | CVE-2015-9294 | 2015-04-20 | Advisory |
| Critical 9.8 | < 3.9.1 | 3.9.1 | CVE-2015-9310 | 2015-04-06 | Advisory |
| Low 3.1 | <= 3.8.9 | 3.9.0 | CVE-2015-0895 | 2015-03-06 | Advisory |
| Critical 9 | < 3.8.8 | 3.8.8 | CVE-2015-0894 | 2015-03-06 | Advisory |
| High 7.4 | < 3.8.3 | 3.8.3 | CVE-2014-6242 | 2014-09-24 | Advisory |
Check if a site is affected
Enter a site address to see which version of All-In-One Security (AIOS) – Security and Firewall and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the All-In-One Security (AIOS) – Security and Firewall plugin safe to use?
All 29 known issues are fixed in current versions (5.5.0 or later). Keeping it updated is what matters.
How do I check which version of All-In-One Security (AIOS) – Security and Firewall 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.