Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the tag parameter.
Conclusion & alert: CVE-2025-67833 is rated Low Risk (37.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-05-16 | 0.07% | 0.16% | +0.09% |
| 2 | 2026-01-15 | — | 0.07% | — |
Full EPSS history (2 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| paessler | prtg_network_monitor | < 25.4.114.1032 | cpe:2.3:a:paessler:prtg_network_monitor:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://helpdesk.paessler.com/en/support/solutions/articles/76000087289-vulnerabilities-in-prtg-prior-v25-4-114-1032 | Vendor Advisory |
| https://paessler.com | Product |