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."
Published Sep 1, 2004
7.5
HIGHCVSS 2.0
EPSS 38.93%
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."
Affected products
No data.
- 6.0
- 5.0.1
- 5.0.1
- 5.0.1
- 5.0.1
- 5.5
- 5.5
- 5.5
- 6.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 38.93% (0.38935) | 98.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 38.93% (0.38935) | 98.40th | v5 (v2026.06.15) |
| May 7, 2026 | 42.49% (0.42487) | 97.48th | v4 (v2025.03.14) |
| Mar 30, 2025 | 43.56% (0.43563) | 97.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 57.51% (0.57508) | 97.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 43.56% (0.43563) | 97.21th | v4 (v2025.03.14) |
| Feb 10, 2025 | 20.82% (0.20825) | 96.46th | v3 (v2023.03.01) |
| Dec 17, 2024 | 23.36% (0.23363) | 96.57th | v3 (v2023.03.01) |
| Aug 9, 2023 | 9.22% (0.09222) | 93.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.88% (0.09875) | 93.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 48.16% (0.48155) | 98.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 48.16% (0.48155) | 98.10th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0083.html mailing-listx_refsource_BUGTRAQ
- http://www.ciac.org/ciac/bulletins/n-038.shtml third-party-advisorygovernment-resourcex_refsource_CIAC
- http://www.iss.net/security_center/static/11259.php vdb-entryx_refsource_XFVendor Advisory
- http://www.kb.cert.org/vuls/id/400577 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/bid/6780 vdb-entryx_refsource_BID
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-004 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A57 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2003-02/0083.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.ciac.org/ciac/bulletins/n-038.shtml | third-party-advisorygovernment-resourcex_refsource_CIAC | |
| http://www.iss.net/security_center/static/11259.php | vdb-entryx_refsource_XFVendor Advisory | |
| http://www.kb.cert.org/vuls/id/400577 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securityfocus.com/bid/6780 | vdb-entryx_refsource_BID | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-004 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A57 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.