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CVE-2026-124412

WordPress Slim SEO plugin <= 4.11.5 - Content Injection vulnerability

Severity
Medium 4.3
Published
13 Nov 2026
Last changed
13 Nov 2026
Added to UpHeron
13 Nov 2026
Weakness
Cross-site scripting (CWE-80)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Sources
CVE Program

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.

From the CVE Program.

Affected software

SoftwareAffected versions
Slim SEO (WordPress plugin)WordPress plugins · wp-plugin:slim-seo
  • Every version up to 4.11.5

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-124412