Vulnerability · Published Oct 13, 2026 · Assigned by VulDB
CVE-2026-108973SourceCodester Contact Tracing System Users.php move_uploaded_file unrestricted upload
High 7.3
In plain English
A high-severity unrestricted file upload in Contact Tracing System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Official description
A vulnerability was determined in SourceCodester Contact Tracing System 1.0. Affected by this issue is the function move_uploaded_file of the file /classes/Users.php?f=save. This manipulation of the argument img/id causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SourceCodester | Contact Tracing System | 1.0 |
Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-416792 | SourceCodester Contact Tracing System Users.php move_uploaded_file unrestricted upload vdb-entry, technical-description
- VDB-416792 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108973 | CVE Analysis and Report third-party-advisory
- Submit #1000527 | SourceCodester Contact Tracing System 1/11 Unrestricted Upload of File with Dangerous Type third-party-advisory
- https://tracexlabs.com/releases/contact-tracing-preauth-rce.html exploit, patch
- https://www.sourcecodester.com/ product