Sourcecodester Covid-19 Contact Tracing System 1.0 is vulnerable to RCE (Remote Code Execution). The application receives a reverse shell (php) into imagem of the user enabling RCE.
Conclusion & alert: CVE-2025-66802 is rated High Exploit Risk (76.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.47%). 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 | 2026-06-10 | 0.67% | 0.47% | -0.20% |
| 2 | 2026-05-14 | 0.50% | 0.67% | +0.17% |
| 3 | 2026-02-23 | — | 0.50% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| covid-19_contact_tracing_system_project | covid-19_contact_tracing_system | 1.0 | cpe:2.3:a:covid-19_contact_tracing_system_project:covid-19_contact_tracing_system:1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://feedly.com/cve/CVE-2022-2746 | Not Applicable |
| https://github.com/mtgsjr/CVE-2025-66802 | Exploit Mitigation Third Party Advisory |