CVE-2026-108973 SourceCodester Contact Tracing System - Unrestricted File Upload

SourceCodester Contact Tracing System 1.0 contains an unrestricted file upload vulnerability caused by improper validation in move_uploaded_file function in /classes/Users.php?f=save, letting remote attackers upload arbitrary files, exploit requires no special privileges.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version or apply patches that restrict file upload validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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