CVE-2005-4080

Exp

Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters, which allows remote attackers to conduct cross-site scripting (XSS) attacks via UTF16 encoded attachments and strings that will be executed when viewed using Internet Explorer, which ignores the characters.

Published: 2005-12-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4080 is rated High Exploit Risk (61.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.40%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.11% over the last day, indicating growing attacker interest. 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-2005-4080

EDB-ID Source Kind Published Link
26741 exploit_db edb 2005-12-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-4080

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 1.29% 2.40% +1.11%
2 2026-02-12 1.05% 1.29% +0.24%
3 2025-03-17 — 1.05% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4080

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-2005-4080

Affected software / configurations for CVE-2005-4080

Vendor Product Version Raw CPE
horde imp 2.0 cpe:2.3:a:horde:imp:2.0:*:*:*:*:*:*:*
horde imp 2.2 cpe:2.3:a:horde:imp:2.2:*:*:*:*:*:*:*
horde imp 2.2.1 cpe:2.3:a:horde:imp:2.2.1:*:*:*:*:*:*:*
horde imp 2.2.2 cpe:2.3:a:horde:imp:2.2.2:*:*:*:*:*:*:*
horde imp 2.2.3 cpe:2.3:a:horde:imp:2.2.3:*:*:*:*:*:*:*
horde imp 2.2.4 cpe:2.3:a:horde:imp:2.2.4:*:*:*:*:*:*:*
horde imp 2.2.5 cpe:2.3:a:horde:imp:2.2.5:*:*:*:*:*:*:*
horde imp 2.2.6 cpe:2.3:a:horde:imp:2.2.6:*:*:*:*:*:*:*
horde imp 2.2.7 cpe:2.3:a:horde:imp:2.2.7:*:*:*:*:*:*:*
horde imp 2.2.8 cpe:2.3:a:horde:imp:2.2.8:*:*:*:*:*:*:*
horde imp 2.3 cpe:2.3:a:horde:imp:2.3:*:*:*:*:*:*:*
horde imp 3.0 cpe:2.3:a:horde:imp:3.0:*:*:*:*:*:*:*
horde imp 3.1 cpe:2.3:a:horde:imp:3.1:*:*:*:*:*:*:*
horde imp 3.1.2 cpe:2.3:a:horde:imp:3.1.2:*:*:*:*:*:*:*
horde imp 3.2 cpe:2.3:a:horde:imp:3.2:*:*:*:*:*:*:*
horde imp 3.2.1 cpe:2.3:a:horde:imp:3.2.1:*:*:*:*:*:*:*
horde imp 3.2.2 cpe:2.3:a:horde:imp:3.2.2:*:*:*:*:*:*:*
horde imp 3.2.3 cpe:2.3:a:horde:imp:3.2.3:*:*:*:*:*:*:*
horde imp 3.2.4 cpe:2.3:a:horde:imp:3.2.4:*:*:*:*:*:*:*
horde imp 3.2.5 cpe:2.3:a:horde:imp:3.2.5:*:*:*:*:*:*:*
horde imp 4.0 cpe:2.3:a:horde:imp:4.0:*:*:*:*:*:*:*
horde imp 4.0.1 cpe:2.3:a:horde:imp:4.0.1:*:*:*:*:*:*:*
horde imp 4.0.2 cpe:2.3:a:horde:imp:4.0.2:*:*:*:*:*:*:*
horde imp 4.0.3 cpe:2.3:a:horde:imp:4.0.3:*:*:*:*:*:*:*
horde imp 4.0.4 cpe:2.3:a:horde:imp:4.0.4:*:*:*:*:*:*:*

References for CVE-2005-4080

cvelogic Threat Intelligence