CVE-2003-1328 in the critical feed json
The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types of pluggable protocols that allow remote a…
published 2003-02-19 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1318
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 38.9%
- EPSS 38.9% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
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."
Timeline
- First public exploit (EDB-22226)
- Published
Exploit prediction
38.93% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-22226 Microsoft Internet Explorer 5 - ShowHelp Arbitrary Command Execution remote, 2003-02-05
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2003/ms03-004
vendor-advisory
-
iss.net
/security_center/static/11259.php
vdb-entry, vendor-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A57
vdb-entry, signature
-
ciac.org
/ciac/bulletins/n-038.shtml
third-party-advisory, government-resource
-
securityfocus.com
/bid/6780
vdb-entry
-
kb.cert.org
/vuls/id/400577
third-party-advisory, us-government-resource
-
archives.neohapsis.com
/archives/bugtraq/2003-02/0083.html
mailing-list
Sources
- CVE List CVE-2003-1328
- NVD CVE-2003-1328
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