CVE-2004-2509

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 80.6%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (16)

cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2004-12/0239.html
cve@mitrehttp://secunia.com/advisories/13452
cve@mitrehttp://securitytracker.com/id?1012503
cve@mitrehttp://www.osvdb.org/12365
cve@mitrehttp://www.osvdb.org/12366
cve@mitrehttp://www.osvdb.org/12367
cve@mitrehttp://www.securityfocus.com/bid/11900
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/18432
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/fulldisclosure/2004-12/0239.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/13452
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1012503
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/12365
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/12366
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/12367
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/11900

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-24825✓ verified
First seen Dec 13, 2004
UBBCentral UBB.Threads 6.2.3/6.5 - 'calendar.php?Cat' Cross-Site Scripting
Open source ↗
Exploit-DBEDB-24826✓ verified
First seen Dec 13, 2004
UBBCentral UBB.Threads 6.2.3/6.5 - 'login.php?Cat' Cross-Site Scripting
Open source ↗
Exploit-DBEDB-24827✓ verified
First seen Dec 13, 2004
UBBCentral UBB.Threads 6.2.3/6.5 - 'online.php?Cat' Cross-Site Scripting
Open source ↗

Frequently asked(4)

What is CVE-2004-2509?

CVE-2004-2509 is a none vulnerability published on December 31, 2004. 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.

When was CVE-2004-2509 disclosed?

CVE-2004-2509 was first published in the National Vulnerability Database on December 31, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-2509 actively exploited?

CVE-2004-2509 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-2509?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-2509, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2004-2509

📅 Published

🔄 Last Modified

🔗 References (16)