Security Optimizer – The All-In-One Protection Plugin vulnerabilities
Plugin slug sg-security · 8 known vulnerabilities · latest disclosed 2026-10-29 · WordPress.org page
Every listed vulnerability has a fix. Version 1.6.9 or later is not affected by any of them. If your site runs an older version, update it.
3 of 8 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Security Optimizer – The All-In-One Protection Plugin
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 1.6.8 | 1.6.9 | CVE-2026-118185 | 2026-10-29 | Advisory |
| Medium 5.3 | <= 1.6.6 | 1.6.7 | CVE-2026-82228 | 2026-08-28 | Advisory |
| Medium 5.3 | <= 1.6.4 | 1.6.5 | CVE-2026-13342 | 2026-07-23 | Advisory |
| Medium 5.3 | <= 1.5.8 | 1.5.9 | CVE-2025-66121 | 2025-11-30 | Advisory |
| Medium 4.3 | <= 1.5.0 | 1.5.1 | CVE-2024-38774 | 2024-07-19 | Advisory |
| High 7.2 | <= 1.3.0 | 1.3.1 | CVE-2023-0234 | 2023-01-13 | Advisory |
| High 8.1 | <= 1.2.5 | 1.2.6 | CVE-2022-0993 | 2022-04-07 | Advisory |
| Critical 9.8 | <= 1.2.5 | 1.2.6 | CVE-2022-0992 | 2022-04-06 | Advisory |
Check if a site is affected
Enter a site address to see which version of Security Optimizer – The All-In-One Protection Plugin and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Security Optimizer – The All-In-One Protection Plugin plugin safe to use?
All 8 known issues are fixed in current versions (1.6.9 or later). Keeping it updated is what matters.
How do I check which version of Security Optimizer – The All-In-One Protection Plugin 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.