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Fencer Vulns
medium 4.3

CVE-2005-4327 json

Multiple cross-site scripting (XSS) vulnerabilities in Michael Arndt WebCal 1.11-3.04 allow remote attackers to inject arbitrary web script…

published 2005-12-17 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4322

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
1
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Michael Arndt WebCal 1.11-3.04 allow remote attackers to inject arbitrary web script or HTML via the (1) function, (2) year, and (3) date parameters to webcal.cgi, (4) new calendar entries, and (5) notes for entries.

Timeline

  1. First public exploit (EDB-26865)
  2. Published

Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26865 WebCal 3.0 4 - 'webcal.cgi' Multiple Cross-Site Scripting Vulnerabilities webapps, 2005-12-16
  • securityfocus.com http://www.securityfocus.com/bid/15917 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.