A Cross-site Scripting (XSS) vulnerability exists when Azure App Services on Azure Stack does not properly sanitize user provided input, aka "Azure App Service Cross-site Scripting Vulnerability." This affects Azure App.
Conclusion & alert: CVE-2018-8600 is rated Moderate Risk (52.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.98%). 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 | 1.10% | 1.98% | +0.89% |
| 2 | 2026-05-02 | 1.49% | 1.10% | -0.39% |
| 3 | 2026-04-04 | — | 1.49% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | azure_app_service_on_azure_stack | — | cpe:2.3:a:microsoft:azure_app_service_on_azure_stack:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/105893 | Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8600 | Patch Vendor Advisory |