VULNERABILITY INTELLIGENCE

CVE-2020-4070

CVSS score4.6 MEDIUM
EPSS probability0.55%
CISA KEVNot currently listed
Published2020-06-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Description

In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references