Microsoft FrontPage 2003 SP3 does not properly parse DTDs, which allows remote attackers to obtain sensitive information via crafted XML data in a FrontPage document, aka "XML Disclosure Vulnerability."
Conclusion & alert: CVE-2013-3137 is rated Moderate Risk (56.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 32.44%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +18.75% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 13.70% | 32.44% | +18.75% |
| 2 | 2026-01-04 | 14.35% | 13.70% | -0.65% |
| 3 | 2025-07-30 | — | 14.35% | — |
Full EPSS history (16 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] |
| URL | Tags |
|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-253A | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-078 |