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Fencer Vulns
high 7.5

CVE-2003-0816 in the critical feed json

Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions by (1) using the NavigateAndFind method to load a f…

published 2004-01-14 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0807

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
48.4%
EPSS 48.4% chance of exploitation in 30 days, percentile 98%
public exploits
2
Exploit-DB

Summary

Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions by (1) using the NavigateAndFind method to load a file: URL containing Javascript, as demonstrated by NAFfileJPU, (2) using the window.open method to load a file: URL containing Javascript, as demonstrated using WsOpenFileJPU, (3) setting the href property in the base tag for the _search window, as demonstrated using WsBASEjpu, (4) loading the search window into an Iframe, as demonstrated using WsFakeSrc, (5) caching a javascript: URL in the browser history, then accessing that URL in the same frame as the target domain, as demonstrated using WsOpenJpuInHistory, NAFjpuInHistory, BackMyParent, BackMyParent2, and RefBack, aka the "Script URLs Cross Domain" vulnerability.

Patch / fix

Timeline

  1. First public exploit (EDB-23790)
  2. Published

Exploit prediction

48.37% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-23790 Microsoft Internet Explorer 5 - window.open Search Pane Cross-Zone Scripting remote, 2003-09-10
  • EDB-23131 Microsoft Internet Explorer 6 - Script Execution remote, 2003-09-10

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

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.