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Fencer Vulns
medium 4.3

CVE-2004-0203 json

Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arb…

published 2004-08-12 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0203

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
21.0%
EPSS 21.0% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Patch / fix

Exploit prediction

20.98% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

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.