Medium · 4.3 CVE-2026-124412 EUVD-2026-125364GHSA-wh3w-9rmg-hq64

WordPress Slim SEO plugin <= 4.11.5 - Content Injection vulnerability

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by Patchstack

Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in eLightUp Slim SEO slim-seo allows Code Injection.This issue affects Slim SEO: from n/a through 4.11.5.

Affected products

Vendor	Product	Affected	Fixed
eLightUp	Slim SEO	≤ 4.11.5	—

References

https://patchstack.com/database/wordpress/plugin/slim-seo/vulnerability/wordpress-slim-seo-plugin-4-11-5-content-injection-vulnerability?_s_id=cve vdb-entry