CVE-2026-108973

SourceCodester Contact Tracing System Users.php move_uploaded_file unrestricted upload

CVSS score

6.9

EPSS probability

—

Risk score

0.7

Published

4 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

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

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

An unrestricted file upload vulnerability has been determined in SourceCodester Contact Tracing System 1.0 affecting the move_uploaded_file function within /classes/Users.php?f=save [S0]. The attack can be initiated remotely, and a public exploit is available [S0].

Why does it matter?

This vulnerability matters because it allows remote attacks without requiring authentication and can compromise system integrity [S0].

What should be done?

Follow vendor advisories and review available patch references [S0]
Harden input validation and access controls for uploaded files [S0]

Chain of evidence and sources2 verified claims

SourceCodester Contact Tracing System 1.0, /classes/Users.php?f=save dosyasındaki move_uploaded_file fonksiyonu üzerinden kısıtlanmamış dosya yükleme açığına sahiptir [S0].

S0 · daybreach-canonical S1 · cvelist

CVE-2026-108973 için CVSS 4.0 taban puanı 6.9 (Orta) olarak atanmıştır [S0].

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CWE: CWE-434, CWE-284

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108973 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	SourceCodester	Contact Tracing System	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.5	CVSS V2_0	—	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C	CVE CNA
7.5	CVSS V2	—	AV:N/AC:L/Au:N/C:P/I:P/A:P	NVD
7.3	CVSS V3_1	HIGH	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	CVE CNA
7.3	CVSS V3_0	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C	CVE CNA
7.3	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD
6.9	CVSS V4_0	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	CVE CNA
5.5	CVSS V40	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source

reference

Yama veya çözüm referansı

Open source

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Apply the official update named in the evidence only to the matching product and version.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108973 is associated with the following CWEs:

CWE-434: Common Weakness Enumeration Entry CWE-434 CWE-284: Common Weakness Enumeration Entry CWE-284

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108973 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

VDB-416792 | SourceCodester Contact Tracing System Users.php move_uploaded_file unrestricted uploadvendor-advisory VDB-416792 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisory CVE-2026-108973 | CVE Analysis and Reportvendor-advisory Submit #1000527 | SourceCodester Contact Tracing System 1/11 Unrestricted Upload of File with Dangerous Typevendor-advisory https://tracexlabs.com/releases/contact-tracing-preauth-rce.htmlpatch https://www.sourcecodester.com/vendor-advisory

CVSS Vector Radar Chart

6.9 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)Low

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

SourceCodester

Weakness Type (CWE & CAPEC)

CWE-434 CWE-284

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