CVE-2003-1328

high

Description

The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types of pluggable protocols that allow remote attackers to bypass the cross-domain security model and execute arbitrary code, aka "Improper Cross Domain Security Validation with ShowHelp functionality."

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A57

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-004

http://www.securityfocus.com/bid/6780

http://www.kb.cert.org/vuls/id/400577

http://www.iss.net/security_center/static/11259.php

http://www.ciac.org/ciac/bulletins/n-038.shtml

http://archives.neohapsis.com/archives/bugtraq/2003-02/0083.html

Details

Source: Mitre, NVD

Published: 2003-02-19

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

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

EPSS: 0.38935