CVE-2025-23791: Mikakaltoft Horizontal Line Shortcode

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mikakaltoft Horizontal Line Shortcode horizontal-line-shortcode allows Stored XSS.This issue affects Horizontal Line Shortcode: from n/a through <= 1.0.

Affected products

• Mikakaltoft Horizontal Line Shortcode: up to and including 1.0

Published 2025-01-16. Last modified 2026-06-17.