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Fencer Vulns
medium 4.3

CVE-2005-0452 json

Multiple cross-site scripting (XSS) vulnerabilities in Microsoft ASP.NET (.Net) 1.0 and 1.1 to SP1 allow remote attackers to inject arbitra…

published 2005-02-16 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0453

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
23.4%
EPSS 23.4% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Microsoft ASP.NET (.Net) 1.0 and 1.1 to SP1 allow remote attackers to inject arbitrary HTML or web script via Unicode representations for ASCII fullwidth characters that are converted to normal ASCII characters, including ">" and "<".

Timeline

  1. First public exploit (EDB-25110)
  2. Published

Exploit prediction

23.37% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-25110 Microsoft ASP.NET 1.0/1.1 - Unicode Character Conversion Multiple Cross-Site Scripting Vulnerabilities webapps, 2005-02-16

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.