{"cve":"CVE-2004-0203","nvd":{"published":"2004-11-23T05:00:00.000","modified":"2026-06-16T22:05:09.450","status":"Modified","description":"Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arbitrary script and spoof content in HTML email or web caches via an HTML redirect query.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://www.kb.cert.org/vuls/id/948750","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-026","https://exchange.xforce.ibmcloud.com/vulnerabilities/16583","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2016","http://www.kb.cert.org/vuls/id/948750"],"products":["microsoft:exchange_server"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-0203","score":0.20982,"percentile":0.97566,"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."]}