CVE-2024-50440: Codepen

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Coyier CodePen Embedded Pens Shortcode codepen-embedded-pen-shortcode allows Stored XSS.This issue affects CodePen Embedded Pens Shortcode: from n/a through <= 1.0.2.

Affected products

• Codepen Codepen: before 1.0.3 (fixed in 1.0.3)

Published 2024-10-28. Last modified 2026-06-17.