Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
http://marc.info/?l=ntbugtraq&m=91756771207719&w=2
http://marc.info/?l=bugtraq&m=91745430007021&w=2
Source: Mitre, NVD
Published: 1999-01-26
Updated: 2026-06-16
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity: Medium
EPSS: 0.03186