Cross-site scripting (XSS) vulnerability in Six Apart Movable Type Enterprise (MTE) 1.x before 1.56; Movable Type (MT) 3.x before 3.38; and Movable Type, Movable Type Open Source (MTOS), and Movable Type Enterprise 4.x before 4.23 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly related to "application management."
Conclusion & alert: CVE-2008-5808 is rated Moderate Risk (40.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.22%). 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 | 0.47% | 1.22% | +0.75% |
| 2 | 2025-03-17 | 0.25% | 0.47% | +0.22% |
| 3 | 2023-03-07 | — | 0.25% | — |
Full EPSS history (4 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
|
low | CVE-2008-5808 low priority: Ubuntu including 1 source packages (movabletype-opensource), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 3, not-affected 2, ignored 1, released 1. | https://ubuntu.com/security/CVE-2008-5808 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| six_apart | movable_type | 4 | cpe:2.3:a:six_apart:movable_type:4:*:*:*:*:*:*:* |
| six_apart | movable_type | 4 | cpe:2.3:a:six_apart:movable_type:4:unknown:enterprise:*:*:*:*:* |
| six_apart | movable_type | 4 | cpe:2.3:a:six_apart:movable_type:4:unknown:open_source:*:*:*:*:* |
| six_apart | movable_type | 4.20 | cpe:2.3:a:six_apart:movable_type:4.20:*:*:*:*:*:*:* |
| six_apart | movable_type | 4.20 | cpe:2.3:a:six_apart:movable_type:4.20:unknown:enterprise:*:*:*:*:* |
| six_apart | movable_type | 4.20 | cpe:2.3:a:six_apart:movable_type:4.20:unknown:open_source:*:*:*:*:* |
| sixapart | movable_type | 1.00 | cpe:2.3:a:sixapart:movable_type:1.00:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.1 | cpe:2.3:a:sixapart:movable_type:1.1:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.2 | cpe:2.3:a:sixapart:movable_type:1.2:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.3 | cpe:2.3:a:sixapart:movable_type:1.3:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.4 | cpe:2.3:a:sixapart:movable_type:1.4:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.5 | cpe:2.3:a:sixapart:movable_type:1.5:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 1.31 | cpe:2.3:a:sixapart:movable_type:1.31:*:enterprise:*:*:*:*:* |
| sixapart | movable_type | 3.0d | cpe:2.3:a:sixapart:movable_type:3.0d:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.1 | cpe:2.3:a:sixapart:movable_type:3.1:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.01d | cpe:2.3:a:sixapart:movable_type:3.01d:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.2 | cpe:2.3:a:sixapart:movable_type:3.2:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.3 | cpe:2.3:a:sixapart:movable_type:3.3:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.11 | cpe:2.3:a:sixapart:movable_type:3.11:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.12 | cpe:2.3:a:sixapart:movable_type:3.12:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.14 | cpe:2.3:a:sixapart:movable_type:3.14:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.15 | cpe:2.3:a:sixapart:movable_type:3.15:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.16 | cpe:2.3:a:sixapart:movable_type:3.16:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.17 | cpe:2.3:a:sixapart:movable_type:3.17:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.32 | cpe:2.3:a:sixapart:movable_type:3.32:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.33 | cpe:2.3:a:sixapart:movable_type:3.33:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.34 | cpe:2.3:a:sixapart:movable_type:3.34:*:*:*:*:*:*:* |
| sixapart | movable_type | 3.35 | cpe:2.3:a:sixapart:movable_type:3.35:*:*:*:*:*:*:* |