CVE-2004-1100

Exp

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.

Published: 2005-01-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1100 is rated High Exploit Risk (77.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.13%, 91th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.67% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-1100

EDB-ID Source Kind Published Link
24721 exploit_db edb 2004-11-03 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1100

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.47% 5.13% +3.67%
2 2025-03-30 1.61% 1.47% -0.14%
3 2025-03-29 1.61%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1100

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2004-1100

NVD evaluator notes for CVE-2004-1100

Solution: Successful exploitation requires that debug mode is enabled.

Affected software / configurations for CVE-2004-1100

Vendor Product Version Raw CPE
tips mailpost 5.1.1sv cpe:2.3:a:tips:mailpost:5.1.1sv:*:*:*:*:*:*:*

References for CVE-2004-1100

cvelogic Threat Intelligence