VULNERABILITY INTELLIGENCE

CVE-2018-3740

CVSS score7.5 HIGH
EPSS probability1.47%
CISA KEVNot currently listed
Published2018-03-30
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references