High severity · published Oct 13, 2026
CVE-2026-108973
SourceCodester Contact Tracing System Users.php move_uploaded_file unrestricted upload
7.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CT
Contact Tracing System · SourceCodester
1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108973
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108973
vdb-entry
https://vuldb.com/vuln/416792
signature
https://vuldb.com/vuln/416792/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108973
third-party-advisory
https://vuldb.com/submit/1000527
exploit
https://tracexlabs.com/releases/contact-tracing-preauth-rce.html
product
https://www.sourcecodester.com/