Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated vulnerabilities
Plugin slug slim-seo · 7 known vulnerabilities · latest disclosed 2026-10-15 · WordPress.org page
Every listed vulnerability has a fix. Version 4.11.2 or later is not affected by any of them. If your site runs an older version, update it.
0 of 7 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.4 | <= 4.11.1 | 4.11.2 | CVE-2026-104001 | 2026-10-15 | Advisory |
| Medium 4.3 | <= 4.10.0 | 4.10.1 | CVE-2026-62113 | 2026-09-11 | Advisory |
| Medium 4.3 | <= 4.9.10 | 4.9.11 | CVE-2026-16957 | 2026-08-03 | Advisory |
| Medium 4.3 | <= 4.9.8 | 4.9.9 | CVE-2026-12408 | 2026-06-30 | Advisory |
| Medium 4.3 | <= 4.6.2 | 4.7.0 | CVE-2026-57429 | 2026-06-25 | Advisory |
| Medium 4.9 | <= 4.5.4 | 4.5.5 | CVE-2025-49854 | 2025-06-12 | Advisory |
| Medium 6.4 | <= 4.5.3 | 4.5.4 | CVE-2025-4611 | 2025-05-20 | Advisory |
Check if a site is affected
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Questions
Is the Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated plugin safe to use?
All 7 known issues are fixed in current versions (4.11.2 or later). Keeping it updated is what matters.
How do I check which version of Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated 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.