Remote Code Execution Vulnerability in Sourcecodester's Covid-19 Contact Tracing System
CVE-2025-66802

9.8CRITICAL

Key Information:

Vendor

Sourcecodester
Status
Covid-19 Contact Tracing System
Vendor
CVE Published:
12 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-66802?

The Sourcecodester Covid-19 Contact Tracing System version 1.0 is susceptible to a critical remote code execution vulnerability. This flaw allows attackers to gain unauthorized access by sending a reverse shell (PHP) into the user's image upload feature, potentially compromising sensitive user data and system integrity.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

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Deploy the Patch

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-66802
Created by mtgsjr

References

https://feedly.com/cve/CVE-2022-2746
https://github.com/mtgsjr/CVE-2025-66802

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

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