The window.showHelp() method in Internet Explorer 5.x does not restrict HTML help files (.chm) to be executed from the local host, which allows remote attackers to execute arbitrary commands via Microsoft Networking.
http://www.securityfocus.com/bid/1033
Source: Mitre, NVD
Published: 2000-03-01
Updated: 2026-06-16
Base Score: 5.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.05099