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SourceCodester LMS CVE-2026-14698

| EUVDEUVD-2026-41723 LOW
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-07-05 VulDB GHSA-c4r3-97x9-r646
PHP File Upload Syllabus Aligned Learning Management And Examination 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 PHP upload endpoint; low-privilege auth required per CVSS 4.0; scope changes because uploaded webshell executes server-side, yielding full RCE 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: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

3
Severity Changed
Jul 05, 2026 - 05:22 NVD
MEDIUM LOW
CVSS changed
Jul 05, 2026 - 05:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Jul 05, 2026 - 04:56 vuln.today

DescriptionCVE.org

A security flaw has been discovered in SourceCodester Syllabus-Aligned Learning Management and Examination System 1.0. Impacted is an unknown function of the file upload_files.php. Performing a manipulation results in unrestricted upload. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

Unrestricted file upload in SourceCodester Syllabus-Aligned Learning Management and Examination System 1.0 allows low-privileged remote attackers to upload arbitrary file types via the upload_files.php endpoint, with potential for remote code execution through PHP webshell deployment given the application's PHP runtime environment. The vulnerability is rooted in CWE-434 and carries a network-accessible attack vector with no special configuration required beyond a valid user account. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privilege application credentials
Delivery
Authenticate to LMS web interface
Exploit
POST PHP webshell file to upload_files.php
Execution
Webshell stored in web-accessible upload directory
Persist
Request webshell URL via HTTP GET
Impact
Execute arbitrary OS commands as web server process user
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Vulnerability AssessmentAI

Exploitation Exploitation requires possession of a valid low-privileged user account on the application, consistent with PR:L in the CVSS 4.0 vector - unauthenticated exploitation is not indicated by available data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) with E:P (exploit proof-of-concept) establishes a low-complexity, network-accessible attack requiring only low privileges, with a published exploit already reducing the barrier to entry significantly. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a low-privileged account on the application authenticates and submits a crafted multipart HTTP POST request to upload_files.php containing a PHP webshell file (e.g., cmd.php) - server-side validation is absent, so the file is stored in a web-accessible directory. The attacker then issues a direct HTTP GET request to the uploaded file's URL, causing the PHP runtime to execute the webshell and granting arbitrary operating system command execution under the web server process context. …
Remediation No vendor-released patch has been identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-14698 vulnerability details – vuln.today
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