What is CVE-2025-66802?

CVE-2025-66802 is a critical-severity vulnerability in Covid-19_contact_tracing_system_project Covid-19_contact_tracing_system, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-01-12.

How severe is CVE-2025-66802?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-66802 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Covid-19_contact_tracing_system_project Covid-19_contact_tracing_system

CVE-2025-66802

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.008 (51.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Covid-19_contact_tracing_system_project Covid-19_contact_tracing_system — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

mtgsjr/CVE-2025-66802

References

cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2025-66802?: CVE-2025-66802 is a critical-severity vulnerability in Covid-19_contact_tracing_system_project Covid-19_contact_tracing_system, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-01-12.
How severe is CVE-2025-66802?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-66802 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.