CVE-2004-1100

NONECVSS 0.0Weaponized

0.0

Cross-site scripting (XSS) vulnerability in mailpost.exe in MailPost 5.1.1sv, and possibly earlier versions, when debug mode is enabled, allows remote attackers to execute arbitrary web script or HTML via the append parameter.

CVSS v3: —
EG Score: —
EPSS: 81.2%
KEV: Not listed

Published

January 10, 2005

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://www.kb.cert.org/vuls/id/107998
cve@mitrehttp://www.procheckup.com/security_info/vuln_pr0410.html
cve@mitrehttp://www.securityfocus.com/bid/11596
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/17953
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/107998
af854a3a-2127-422b-91ae-364da2661108http://www.procheckup.com/security_info/vuln_pr0410.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/11596
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/17953

Data Freshness Timeline

(refreshed 11× in last 7d / 17× 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
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-24721✓ verified
First seen Nov 3, 2004
TIPS MailPost 5.1.1 - 'APPEND' Cross-Site Scripting
Open source ↗

Frequently asked(4)

What is CVE-2004-1100?

CVE-2004-1100 is a none vulnerability published on January 10, 2005. Cross-site scripting (XSS) vulnerability in mailpost.exe in MailPost 5.1.1sv, and possibly earlier versions, when debug mode is enabled, allows remote attackers to execute arbitrary web script or HTML via the append parameter.

When was CVE-2004-1100 disclosed?

CVE-2004-1100 was first published in the National Vulnerability Database on January 10, 2005, 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-2004-1100 actively exploited?

CVE-2004-1100 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-1100?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-1100, 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-2004-1100

📅 Published

🔄 Last Modified

🔗 References (8)