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.

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

.