The diagnosticsb2ksy parameter of the /rest endpoint in Opsview Monitor before 5.3.1 and 5.4.x before 5.4.2 is vulnerable to Cross-Site Scripting.
Conclusion & alert: CVE-2018-16148 is rated High Exploit Risk (62.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.50%). 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 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | 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 | 2025-11-21 | 0.34% | 0.50% | +0.16% |
| 2 | 2025-11-18 | 0.52% | 0.34% | -0.18% |
| 3 | 2025-07-01 | — | 0.52% | — |
Full EPSS history (9 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] |
| URL | Tags |
|---|---|
| https://knowledge.opsview.com/v5.3/docs/whats-new | Release Notes Vendor Advisory |
| https://knowledge.opsview.com/v5.4/docs/whats-new | Release Notes Vendor Advisory |
| https://seclists.org/fulldisclosure/2018/Sep/3 | Exploit Mailing List Third Party Advisory |
| https://www.coresecurity.com/advisories/opsview-monitor-multiple-vulnerabilities | Exploit Third Party Advisory |