{"cve":"CVE-2003-1025","nvd":{"published":"2004-01-20T05:00:00.000","modified":"2026-06-16T22:03:22.860","status":"Modified","description":"Internet Explorer 5.01 through 6 SP1 allows remote attackers to spoof the domain of a URL via a \"%01\" character before an @ sign in the user@domain portion of the URL, which hides the rest of the URL, including the real site, in the address bar, aka the \"Improper URL Canonicalization Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.kb.cert.org/vuls/id/652278","http://www.securityfocus.com/archive/1/346948","http://www.us-cert.gov/cas/techalerts/TA04-033A.html","http://www.zapthedingbat.com/security/ex01/vun1.htm","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2003-1025","score":0.26912,"percentile":0.98038,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}