An attacker submitting facts to the Foreman server containing HTML can cause a stored XSS on certain pages: (1) Facts page, when clicking on the "chart" button and hovering over the chart; (2) Trends page, when checking the graph for a trend based on a such fact; (3) Statistics page, for facts that are aggregated on this page.
Conclusion & alert: CVE-2017-15100 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.10%). 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 | 0.34% | 1.10% | +0.76% |
| 2 | 2025-03-30 | 0.53% | 0.34% | -0.18% |
| 3 | 2025-03-29 | — | 0.53% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-15100 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| theforeman | foreman | < 1.16.0 | cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:* |
| redhat | satellite | 6.4 | cpe:2.3:a:redhat:satellite:6.4:*:*:*:*:*:*:* |
| redhat | satellite_capsule | 6.4 | cpe:2.3:a:redhat:satellite_capsule:6.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://projects.theforeman.org/issues/21519 | Issue Tracking Vendor Advisory |
| https://access.redhat.com/errata/RHSA-2018:2927 | Third Party Advisory |
| https://github.com/theforeman/foreman/pull/4967 | Issue Tracking Patch |