Every CVE Search/ Get API key

CVE-2003-1328

The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types...

7.5 HighPublic exploit

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."

Exploit likelihood

38.9%Down 9.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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."

Record
CVE-2003-1328
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

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."

Record
CVE-2003-1328
Updated
2026-11-02
EUVDEUVD-2003-1318 No score

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."

Record
EUVD-2003-1318
Updated
2026-11-03
GitHub AdvisoriesGHSA-p598-2cg3-8qjf No score

The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types...

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."

Record
GHSA-p598-2cg3-8qjf
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Internet Explorer 5 - ShowHelp Arbitrary Command Execution2003-02-05

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-1328 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer, published February 19, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 38.9%, the 98th percentile. No source names a fixed version.

References

MoveEnter Open