CVE-2025-66802 File upload in n/a
Attackers can achieve remote code execution by uploading a malicious PHP reverse shell via the user image upload feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66802?
CVE-2025-66802 is a critical vulnerability in n/a, published on 12 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2025-66802?
It affects 1 product.
Products include Covid-19 Contact Tracing System Project Covid-19 Contact Tracing System.
How do I fix CVE-2025-66802?
No fix has been published for CVE-2025-66802 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66802 being exploited?
There is no known exploitation of CVE-2025-66802 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x4r4-f558-hvh7.