Multiple cross-site scripting (XSS) vulnerabilities in Movable Type (MT) before 3.34 allow remote attackers to inject arbitrary web script or HTML via comments that have (1) a malformed SGML numeric character reference with a '\0' (0x00) character in a javascript: URI or (2) an attribute in an element that lacks the '>' character at the end of the start tag, a different vulnerability than CVE-2007-0231.
Conclusion & alert: CVE-2007-3342 is rated Low Risk (39.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.25%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2024-03-17 | 0.24% | 0.25% | +0.02% |
| 2 | 2023-03-07 | 1.21% | 0.24% | -0.98% |
| 3 | 2022-02-04 | — | 1.21% | — |
Full EPSS history (3 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 | Product | Version | Raw CPE |
|---|---|---|---|
| six_apart | movable_type | <= 3.33 | cpe:2.3:a:six_apart:movable_type:*:*:*:*:*:*:*:* |