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Online Faculty Clearance System CVE-2026-91005

| EUVDEUVD-2026-78299 LOW
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-09-15 VulDB GHSA-rw3v-jgg6-m43g
PHP File Upload Online Faculty Clearance System Sourcecodester
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
vuln.today AI
9.9 CRITICAL

Network-reachable PHP file upload with authenticated low-privilege user; scope change as uploaded webshell executes server-side code with full C/I/A impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Sep 15, 2026 - 07:31 vuln.today
Severity Changed
Sep 15, 2026 - 07:22 NVD
MEDIUM LOW
CVSS changed
Sep 15, 2026 - 07:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Sep 15, 2026 - 06:15 cve.org
LOW 2.1

DescriptionCVE.org

A vulnerability was found in SourceCodester Online Faculty Clearance System 1.0. This affects the function move_uploaded_file of the file production/edit_picture.php of the component Profile Picture Upload. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

AnalysisAI

Unrestricted file upload in SourceCodester Online Faculty Clearance System 1.0 allows authenticated remote attackers to upload arbitrary files - including PHP webshells - via the profile picture upload endpoint at production/edit_picture.php, leading to remote code execution on the host server. The vulnerability stems from PHP's move_uploaded_file() being called without validating file type or extension. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid low-privilege user account on the Online Faculty Clearance System 1.0 - the profile picture upload feature is gated behind authentication (CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 4.0 score of 2.1 with impact metrics VC:L/VI:L/VA:L critically understates the real-world impact of this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis; SourceCodester applications are typically educational/demo code without a formal patch lifecycle. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-91005 vulnerability details – vuln.today
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