VULNERABILITY INTELLIGENCE

CVE-2003-1025

CVSS score4.3 MEDIUM
EPSS probability26.91%
CISA KEVNot currently listed
Published2004-01-20
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N

Description

Internet Explorer 5.01 through 6 SP1 allows remote attackers to spoof the domain of a URL via a "%01" character before an @ sign in the user@domain portion of the URL, which hides the rest of the URL, including the real site, in the address bar, aka the "Improper URL Canonicalization Vulnerability."

Weakness classification

  • CWE-20: Improper Input Validation

Primary references