Cross-site scripting (XSS) vulnerability in horde/imp/search.php in Horde IMP H3 before 4.1.3 allows remote attackers to include arbitrary web script or HTML via multiple unspecified vectors related to folder names, as injected into the vfolder_label form field in the IMP search screen.
Conclusion & alert: CVE-2006-4255 is rated Moderate Risk (43.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.62%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.88% | 1.62% | +0.75% |
| 2 | 2026-03-19 | 0.79% | 0.88% | +0.09% |
| 3 | 2025-03-30 | — | 0.79% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2006-4255 medium priority: Ubuntu including 1 source packages (imp4), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 6, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2006-4255 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| horde | horde | 3.0 | cpe:2.3:a:horde:horde:3.0:*:*:*:*:*:*:* |
| horde | horde | 3.0.1 | cpe:2.3:a:horde:horde:3.0.1:*:*:*:*:*:*:* |
| horde | horde | 3.0.2 | cpe:2.3:a:horde:horde:3.0.2:*:*:*:*:*:*:* |
| horde | horde | 3.0.3 | cpe:2.3:a:horde:horde:3.0.3:*:*:*:*:*:*:* |
| horde | horde | 3.0.4 | cpe:2.3:a:horde:horde:3.0.4:*:*:*:*:*:*:* |
| horde | horde | 3.0.4_rc1 | cpe:2.3:a:horde:horde:3.0.4_rc1:*:*:*:*:*:*:* |
| horde | horde | 3.0.4_rc2 | cpe:2.3:a:horde:horde:3.0.4_rc2:*:*:*:*:*:*:* |
| horde | horde | 3.0.6 | cpe:2.3:a:horde:horde:3.0.6:*:*:*:*:*:*:* |
| horde | horde | 3.0.7 | cpe:2.3:a:horde:horde:3.0.7:*:*:*:*:*:*:* |
| horde | horde | 3.0.8 | cpe:2.3:a:horde:horde:3.0.8:*:*:*:*:*:*:* |
| horde | horde | 3.0.9 | cpe:2.3:a:horde:horde:3.0.9:*:*:*:*:*:*:* |
| horde | horde | 3.1 | cpe:2.3:a:horde:horde:3.1:*:*:*:*:*:*:* |
| horde | horde | 3.1.1 | cpe:2.3:a:horde:horde:3.1.1:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |