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Fencer Vulns
medium 4.3

CVE-2004-2509 json

Cross-site scripting (XSS) vulnerabilities in (1) calendar.php, (2) login.php, and (3) online.php in Infopop UBB.Threads 6.2.3 and 6.5 allo…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2500

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
3
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerabilities in (1) calendar.php, (2) login.php, and (3) online.php in Infopop UBB.Threads 6.2.3 and 6.5 allow remote attackers to inject arbitrary web script or HTML via the Cat parameter.

Patch / fix

Timeline

  1. First public exploit (EDB-24827)
  2. Published

Exploit prediction

2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-24827 UBBCentral UBB.Threads 6.2.3/6.5 - 'online.php?Cat' Cross-Site Scripting webapps, 2004-12-13
  • EDB-24826 UBBCentral UBB.Threads 6.2.3/6.5 - 'login.php?Cat' Cross-Site Scripting webapps, 2004-12-13
  • EDB-24825 UBBCentral UBB.Threads 6.2.3/6.5 - 'calendar.php?Cat' Cross-Site Scripting webapps, 2004-12-13
  • securityfocus.com http://www.securityfocus.com/bid/11900 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1012503 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2004-12/0239.html 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.