VULNERABILITY INTELLIGENCE

CVE-2017-5420

CVSS score6.5 MEDIUM
EPSS probability1.25%
CISA KEVNot currently listed
Published2018-06-11
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Description

A "javascript:" url loaded by a malicious page can obfuscate its location by blanking the URL displayed in the addressbar, allowing for an attacker to spoof an existing page without the malicious page's address being displayed correctly. This vulnerability affects Firefox < 52.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references