SEO Booster vulnerabilities

Plugin slug seo-booster · 8 known vulnerabilities · latest disclosed 2026-09-18 · WordPress.org page

Every listed vulnerability has a fix. Version 7.4.8 or later is not affected by any of them. If your site runs an older version, update it.

1 of 8 rated high or critical (CVSS 7 or more).

Known vulnerabilities in SEO Booster

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 4.3<= 7.4.77.4.8CVE-2026-156602026-09-18Advisory
Medium 4.9<= 7.3.17.3.2CVE-2026-154582026-07-15Advisory
Medium 4.9<= 7.3.17.3.2CVE-2026-154452026-07-15Advisory
Medium 5.3<= 7.3.27.4.5CVE-2025-680192026-01-19Advisory
Medium 4.3<= 3.8.93.8.10CVE-2024-324382024-04-12Advisory
Medium 6.13.3.30 to 3.8.83.8.9CVE-2023-339992023-07-18Advisory
Medium 6.3< 3.8.53.8.5CVE-2022-49742022-03-04Advisory
High 7.2<= 3.73.8CVE-2021-247472021-11-15Advisory

Check if a site is affected

Enter a site address to see which version of SEO Booster and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the SEO Booster plugin safe to use?

All 8 known issues are fixed in current versions (7.4.8 or later). Keeping it updated is what matters.

How do I check which version of SEO Booster 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.

Check any WordPress site in one click while you browse: Add PluginPeek to Chrome