What’s Vulnerable › Vulnerabilities

CVE-2004-0203

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-08-12 · updated 2026-06-16
• Weakness: CWE-79

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.

Affected products

• Microsoft Exchange Server: 5.5-sp1, 5.5-sp2, 5.5-sp3, 5.5-sp4; 5.5

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
• 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

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