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Fencer Vulns
medium 4.3

CVE-2005-2814 json

Cross-site scripting (XSS) vulnerability in FlatNuke 2.5.6 allows remote attackers to inject arbitrary web script or HTML via the usr param…

published 2005-09-07 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2815

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

Cross-site scripting (XSS) vulnerability in FlatNuke 2.5.6 allows remote attackers to inject arbitrary web script or HTML via the usr parameter in a vis_reg operation to index.php.

Timeline

  1. First public exploit (EDB-26215)
  2. Published

Exploit prediction

1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26215 FlatNuke 2.5.6 - 'USR' Cross-Site Scripting webapps, 2005-08-31
  • securitytracker.com http://securitytracker.com/id?1014824 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/lists/bugtraq/2005/Aug/0440.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/14704 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.