CVE-2025-66802

CRITICAL

Sourcecodester Covid-19 Contact Tracing System 1.0 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-66802. PoCs published by mtgsjr.

AI-analyzed exploit summary This repository contains a detailed writeup for CVE-2025-66802, describing an unrestricted file upload vulnerability in Sourcecodester Covid-19 Contact Tracing System 1.0, leading to remote code execution. No exploit code is provided, only documentation.

Description

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.

Exploits (1)

nomisec WRITEUP 2 stars
by mtgsjr · poc
https://github.com/mtgsjr/CVE-2025-66802

This repository contains a detailed writeup for CVE-2025-66802, describing an unrestricted file upload vulnerability in Sourcecodester Covid-19 Contact Tracing System 1.0, leading to remote code execution. No exploit code is provided, only documentation.

Classification
Writeup 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: Sourcecodester Covid-19 Contact Tracing System 1.0
No auth needed
Prerequisites: Access to the file upload functionality · Server-side validation bypass
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Mitigation, Third Party Advisory
https://github.com/mtgsjr/CVE-2025-66802

Scores

CVSS v3 9.8
EPSS 0.0079
EPSS Percentile 51.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
covid-19_contact_tracing_system_project/covid-19_contact_tracing_system 1.0
Published Jan 12, 2026
Tracked Since Feb 18, 2026