CVE-2026-124412

WordPress Slim SEO plugin <= 4.11.5 - Content Injection vulnerability

Published Nov 13, 2026 CVSS 3.1 · 4.3 Medium EPSS n/a KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

Vendor Solution

Update the WordPress Slim SEO plugin to the latest available version (at least 4.11.6).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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.
Title WordPress Slim SEO plugin <= 4.11.5 - Content Injection vulnerability
Weaknesses CWE-80
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Subscriptions

No data.

Weaknesses
  • CWE-80

    Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Nov 13, 2026, 2:41 PM
Reserved
Nov 8, 2026, 12:26 AM
Status
Deferred
Published
Nov 13, 2026, 3:17 PM
Modified
Nov 13, 2026, 3:17 PM