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Fencer Vulns
medium 4.3

CVE-2003-0446 json

Cross-site scripting (XSS) in Internet Explorer 5.5 and 6.0, possibly in a component that is also used by other Microsoft products, allows…

published 2003-06-20 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0440

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
23.0%
EPSS 23.0% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) in Internet Explorer 5.5 and 6.0, possibly in a component that is also used by other Microsoft products, allows remote attackers to insert arbitrary web script via an XML file that contains a parse error, which inserts the script in the resulting error message.

Timeline

  1. First public exploit (EDB-22783)
  2. Published

Exploit prediction

23.00% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22783 Microsoft Internet Explorer 5/6 - MSXML XML File Parsing Cross-Site Scripting remote, 2003-06-17
  • security.greymagic.com http://security.greymagic.com/adv/gm013-ie/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

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.