CVE-2004-1939

Exp

Cross-site scripting (XSS) vulnerability in Zaep AntiSpam 2.0 allows remote attackers to inject arbitrary web script or HTML via double encoded slashes (%252F) in the key parameter.

Published: 2004-04-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1939 is rated Exploit Available (58.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.74%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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-2004-1939

EDB-ID Source Kind Published Link
24001 exploit_db edb 2004-04-14 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1939

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 1.23% 1.74% +0.51%
2 2025-10-25 0.88% 1.23% +0.35%
3 2025-03-30 0.88%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1939

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N 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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2004-1939

Affected software / configurations for CVE-2004-1939

Vendor Product Version Raw CPE
rhinosoft zaep_antispam 2.0 cpe:2.3:a:rhinosoft:zaep_antispam:2.0:*:*:*:*:*:*:*
rhinosoft zaep_antispam 2.0_.0.1 cpe:2.3:a:rhinosoft:zaep_antispam:2.0_.0.1:*:*:*:*:*:*:*

References for CVE-2004-1939

cvelogic Threat Intelligence