Internet Explorer 5.01 through 6 SP1 allows remote attackers to bypass zone restrictions…
Priority HIGH 67CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
Internet Explorer 5.01 through 6 SP1 allows remote attackers to bypass zone restrictions via a javascript protocol URL in a sub-frame, which is added to the history list and executed in the top window's zone when the history.back (back) function is called, as demonstrated by BackToFramedJpu, aka the "Travel Log Cross Domain Vulnerability."
Why it matters now
EPSS 0.39211 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:* | 6.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:* | 5.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:* | 5.0.1 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:* | 5.0.1 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:* | 5.0.1 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:* | 5.5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.5:sp1:*:*:*:*:*:* | 5.5 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:5.5:sp2:*:*:*:*:*:* | 5.5 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:* Versions 6.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:* Versions 5.0.1 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:* Versions 5.0.1 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:* Versions 5.0.1 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:* Versions 5.5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.5:sp1:*:*:*:*:*:* Versions 5.5 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:5.5:sp2:*:*:*:*:*:* Versions 5.5 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1026
- 2026-10-03 Alias added: GHSA-vh66-78r7-g63j
References
Other 10
- http://www.safecenter.net/UMBRELLAWEBV4/BackToFramedJpu
- oval:org.mitre.oval:def:630
- oval:org.mitre.oval:def:689
- oval:org.mitre.oval:def:774
- 20031201 Comments on 5 IE vulnerabilities
- oval:org.mitre.oval:def:687
- oval:org.mitre.oval:def:805
- oval:org.mitre.oval:def:643
- 20031125 BackToFramedJpu - a successor of BackToJpu attack
- oval:org.mitre.oval:def:745
More Microsoft Ie vulnerabilities
- TI-2004-00947 Heap-based buffer overflow in Internet Explorer 6 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2004-00183 Stack-based buffer overflow in the Task Scheduler for Windows 2000 and XP, and Internet… CVSS 2.0HIGH 10.0
- TI-2007-00210 The wininet.dll FTP client code in Microsoft Internet Explorer 5.01 and 6 might allow… CVSS 2.0HIGH 10.0
- TI-2006-01313 Microsoft Internet Explorer 6 and 7 Beta 2 allows remote attackers to cause a denial of… CVSS 2.0HIGH 9.3
- TI-2006-01146 Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2006-03617 Integer overflow in Microsoft Internet Explorer 6 on Windows XP SP2 allows remote… CVSS 3.1HIGH 8.8
Sources
- CVE-2003-1026 · CVE Program
- CVE-2003-1026 · NVD
- FIRST EPSS
- GHSA-vh66-78r7-g63j · GitHub Advisory Database · CC BY 4.0
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