Multiple cross-site scripting (XSS) vulnerabilities in Opsview 4.6.2 and earlier allow remote attackers to inject arbitrary web script or HTML via a (1) crafted check plugin, the (2) description in a host profile, or the (3) plugin_args parameter to a Test service check page.
Conclusion & alert: CVE-2015-4420 is rated High Exploit Risk (60.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 37271 | exploit_db | edb | 2015-06-12 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-02-07 | 0.61% | 1.19% | +0.58% |
| 2 | 2025-03-30 | 0.54% | 0.61% | +0.07% |
| 3 | 2025-03-29 | — | 0.54% | — |
Full EPSS history (7 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] |