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CVE-2003-1328
The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types of pluggable protocols that allow remote…
High7.5EPSS 38.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 38.9% · top 1.4% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- oval:org.mitre.oval:def:57 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- N-038 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- 6780 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- VU#400577 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 20030206 showHelp("file:") disables security in IE - Sandblad advisory #11 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ie-showhelp-zone-bypass(11259) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- MS03-004 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .