Information disclosure in Rilwis Slim Seo – A Fast & Automated Plugin For Wordpress

CVE-2026-12408

The Slim SEO – A Fast & Automated SEO Plugin For WordPress plugin for WordPress is vulnerable to Unauthorized Private Content Disclosure in all versions up to, and including, 4.9.8 via the `/wp-json/slim-seo/meta-tags/ai` REST API endpoint…

Vulnerability class: Information Disclosure

EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12408?
CVE-2026-12408 is a medium-severity vulnerability in Rilwis Slim Seo – A Fast & Automated Plugin For Wordpress, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-07-01.
How severe is CVE-2026-12408?
Medium severity. CVSS v3 base score is 4.3 out of 10.