OPNsense before 23.7.5 allows XSS via the index.php sequence parameter to the Lobby Dashboard.
Conclusion & alert: CVE-2023-44276 is rated Exploit Available (50.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.50%). 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 | 2026-06-15 | 0.22% | 0.50% | +0.28% |
| 2 | 2025-03-17 | 0.05% | 0.22% | +0.17% |
| 3 | 2023-10-03 | — | 0.05% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| URL | Tags |
|---|---|
| https://github.com/opnsense/core/commit/484753b2abe3fd0fcdb73d8bf00c3fc3709eb8b7 | Patch |
| https://github.com/opnsense/core/compare/23.7.4...23.7.5 | Release Notes |
| https://www.x41-dsec.de/lab/advisories/x41-2023-001-opnsense | Exploit Third Party Advisory |