Medium (5.4) in codepen codepen. 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.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-11-01)