CVE-2025-4611mediumCWE-79

CVE-2025-4611: medium-severity vulnerability in rilwis Slim SEO – A Fast & Automated SEO…

Slim SEO <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via slim_seo_breadcrumbs Shortcode

Published · Updated

Follow this CVE+ Monitor Slim SEO – A Fast & Automated SEO Plugin For WordPress

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.4epss 0.5%
The Slim SEO – Fast & Automated WordPress SEO Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's slim_seo_breadcrumbs shortcode in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Affected products
rilwis · Slim SEO – A Fast & Automated SEO Plugin For WordPress
Related CVEs — rilwis Slim SEO – A Fast & Automated SEO…

In the same product, most dangerous first.

CVE-2026-12408MEDIUMSlim SEO <= 4.9.8 - Authenticated (Contributor+) Insufficient Authorization to Private Content Disclosure via 'object.ID' ParameterEPSS 0.4%