Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02401 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 25
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:horde:imp:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.6:*:*:*:*:*:*:* | 2.2.6 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.7:*:*:*:*:*:*:* | 2.2.7 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:2.2.8:*:*:*:*:*:*:* | 2.2.8 | Vulnerable | Horde |
- cpe:2.3:a:horde:imp:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.6:*:*:*:*:*:*:* Versions 2.2.6 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.7:*:*:*:*:*:*:* Versions 2.2.7 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:2.2.8:*:*:*:*:*:*:* Versions 2.2.8 Vulnerable ·Horde
Show 15 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:horde:imp:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.1.2:*:*:*:*:*:*:* | 3.1.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2.2:*:*:*:*:*:*:* | 3.2.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2.3:*:*:*:*:*:*:* | 3.2.3 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2.4:*:*:*:*:*:*:* | 3.2.4 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:3.2.5:*:*:*:*:*:*:* | 3.2.5 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:4.0.1:*:*:*:*:*:*:* | 4.0.1 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:4.0.2:*:*:*:*:*:*:* | 4.0.2 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:4.0.3:*:*:*:*:*:*:* | 4.0.3 | Vulnerable | Horde |
| cpe:2.3:a:horde:imp:4.0.4:*:*:*:*:*:*:* | 4.0.4 | Vulnerable | Horde |
- cpe:2.3:a:horde:imp:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.1.2:*:*:*:*:*:*:* Versions 3.1.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Horde
- cpe:2.3:a:horde:imp:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·Horde
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-4080
- 2026-10-03 Alias added: GHSA-8xjp-h5q2-g6vf
References
Advisory 1
Other 1
More Horde Imp vulnerabilities
- TI-2003-00022 Multiple SQL injection vulnerabilities in IMP 2.2.8 and earlier allow remote attackers to… CVSS 2.0HIGH 7.5
- TI-2007-01416 Argument injection vulnerability in the cleanup cron script in Horde Project Horde and… CVSS 2.0MEDIUM 6.8
- TI-2002-00175 Cross-site scripting vulnerability in status.php3 for IMP 2.2.8 and HORDE 1.2.7 allows… CVSS 2.0HIGH 7.5
- TI-2001-01210 Cross-site scripting vulnerability in Horde Internet Messaging Program (IMP) before 2.2.6… CVSS 2.0HIGH 7.5
- TI-2002-01943 Horde IMP 2.2.7 allows remote attackers to obtain the full web root pathname via an HTTP… CVSS 3.1MEDIUM 5.3
- TI-2004-00526 Unknown vulnerability in Horde IMP 3.2.3 and earlier, before a "security fix," does not… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2005-4080 · CVE Program
- CVE-2005-4080 · NVD
- FIRST EPSS
- GHSA-8xjp-h5q2-g6vf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences