Cross-site scripting (XSS) vulnerability in chcounter 3.1.3 allows remote attackers to inject arbitrary web script or HTML via the login_name parameter to /stats/.
Conclusion & alert: CVE-2007-1871 is rated Moderate Risk (40.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.26%). 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 | 0.56% | 1.26% | +0.71% |
| 2 | 2026-05-07 | 0.47% | 0.56% | +0.08% |
| 3 | 2025-03-30 | — | 0.47% | — |
Full EPSS history (11 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] |
: Successful exploitation requires that the target user is not logged in.