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Fencer Vulns
medium 4.3

CVE-2005-0509 json

Multiple cross-site scripting (XSS) vulnerabilities in the Mono 1.0.5 implementation of ASP.NET (.Net) allow remote attackers to inject arb…

published 2005-02-22 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0510

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.9%
EPSS 15.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in the Mono 1.0.5 implementation of ASP.NET (.Net) 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 "<".

Patch / fix

  • mono Debian 14, Debian 13, Debian 12 1.1.6-4

debian advisories DEBIAN-CVE-2005-0509

Exploit prediction

15.95% chance of exploitation in the next 30 days, higher than 96% 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

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.