Multiple cross-site scripting (XSS) vulnerabilities in Microsoft SharePoint Portal Server 2001 allow remote attackers to process arbitrary web content and steal cookies via certain server scripts.
Conclusion & alert: CVE-2004-0379 is rated Moderate Risk (59.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.13%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 8.34% | 8.13% | -0.22% |
| 2 | 2025-12-11 | 10.92% | 8.34% | -2.57% |
| 3 | 2025-03-30 | — | 10.92% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | sharepoint_portal_server | 2001 | cpe:2.3:a:microsoft:sharepoint_portal_server:2001:*:*:*:*:*:*:* |
| microsoft | sharepoint_portal_server | 2001 | cpe:2.3:a:microsoft:sharepoint_portal_server:2001:sp1:*:*:*:*:*:* |
| microsoft | sharepoint_portal_server | 2001 | cpe:2.3:a:microsoft:sharepoint_portal_server:2001:sp2:*:*:*:*:*:* |
| microsoft | sharepoint_portal_server | 2001 | cpe:2.3:a:microsoft:sharepoint_portal_server:2001:sp2a:*:*:*:*:*:* |