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Student-Management-System CVE-2026-18927

| EUVDEUVD-2026-53470 LOW
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-08-05 VulDB GHSA-842j-9mqw-8c75
File Upload PHP Student Management System
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-accessible upload requiring student login (PR:L); no complexity or interaction needed; scope changed because uploaded PHP executes on server affecting the hosting system beyond the application.

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:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

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

Lifecycle Timeline

4
Analysis Generated
Aug 05, 2026 - 17:43 vuln.today
Severity Changed
Aug 05, 2026 - 17:22 NVD
MEDIUM LOW
CVSS changed
Aug 05, 2026 - 17:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Aug 05, 2026 - 16:30 cve.org
LOW 2.1

DescriptionCVE.org

A vulnerability was determined in imranrisal-dev Student-Management-System 18ea7904c339e0c7b0234724a79c939ce6191def/a8d43a29aaf267e7ca97171d6dbb44057bcd7f8c. This affects the function storeProfileImage of the file student_profile_pic.php of the component Shared Upload Helper. Executing a manipulation of the argument choose_file can lead to unrestricted upload. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Unrestricted file upload in imranrisal-dev's Student-Management-System (PHP) permits authenticated remote attackers to upload arbitrary file types through the storeProfileImage function in student_profile_pic.php by manipulating the choose_file argument. In a PHP application where uploaded files are served under the web root, this class of flaw (CWE-434) directly enables webshell deployment and full server-side remote code execution. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain or register student account
Delivery
Craft PHP webshell as image upload
Exploit
POST malicious file via choose_file to student_profile_pic.php
Execution
Web server stores file in accessible path
Persist
Request stored file URL to trigger PHP execution
Impact
Execute arbitrary OS commands as web server user
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated session with at minimum student-level (low-privilege) access to the application - PR:L per the CVSS 4.0 vector confirms authentication is required. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The vendor-supplied CVSS 4.0 score of 2.1 with all-Low impact metrics (VC:L/VI:L/VA:L) significantly understates real-world risk for this class of vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers or obtains a student account on a publicly accessible deployment of the Student-Management-System. They navigate to the profile picture upload feature and submit a crafted HTTP POST request to student_profile_pic.php with a PHP webshell as the choose_file payload, bypassing the absent server-side validation. …
Remediation No vendor-released patch is available at time of analysis, and the vendor did not respond to responsible disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-18927 vulnerability details – vuln.today
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