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CVE-2003-0816

7.5
CVSS v2.0 Base Score
67.22%
MEDIUM RiskEPSS (99th percentile)
NVD-CWE-Other

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.

Published: 2/3/2004
Modified: 4/16/2026
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Vulnerability Summary

CVSS v2 Score

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Score (Exploitation Probability)

67.22%MEDIUM Exploitation Risk
99th percentile

This vulnerability has a 67.22% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

NVD-CWE-Other