A stored cross site scripting (XSS) vulnerability in index.php?menu=billing_rates of Issabel PBX version 4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the Name or Prefix fields under the Create New Rate module.
Conclusion & alert: CVE-2023-37189 is rated Exploit Available (59.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.71%). Core evidence: 1 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 ↗ |
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 | 2026-04-05 | 0.57% | 0.71% | +0.14% |
| 2 | 2026-01-19 | 0.52% | 0.57% | +0.05% |
| 3 | 2025-11-21 | — | 0.52% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 3.1 | MEDIUM |
|
1.7 | 2.7 | [email protected] |
| URL | Tags |
|---|---|
| https://github.com/sahiloj/CVE-2023-37189/blob/main/README.md | Exploit Third Party Advisory |
| https://reference1.example.com/index.php?menu=billing_rates | Broken Link |