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PHP CVE-2026-15539

| EUVDEUVD-2026-43295 LOW
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-07-13 VulDB GHSA-596x-7q4m-3hjq
2.0
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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

Primary rating from Vendor (VulDB) · only source for this CVE.

CVSS VectorVendor: VulDB

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

Lifecycle Timeline

3
Severity Changed
Jul 13, 2026 - 07:22 NVD
MEDIUM LOW
CVSS changed
Jul 13, 2026 - 07:22 NVD
5.1 (MEDIUM) 2.0 (LOW)
Analysis Generated
Jul 13, 2026 - 06:49 vuln.today

DescriptionCVE.org

A security vulnerability has been detected in SourceCodester Online Book Store System 1.0. Impacted is an unknown function of the file /admin/index.php?page=books of the component Book Image Upload Feature. Such manipulation leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

AnalysisAI

Unrestricted file upload in SourceCodester Online Book Store System 1.0 allows authenticated remote attackers with administrative access to upload arbitrary PHP files via the Book Image Upload feature at /admin/index.php?page=books, enabling remote code execution on the host server. A public exploit proof-of-concept has been disclosed on Medium under the title 'Critical Authenticated Remote Code Execution via Unrestricted File Upload,' confirming practical exploitability. While PR:H limits exposure to actors holding admin credentials, successful exploitation yields full server-side code execution, making this a high-impact finding within its threat model.

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CVE-2026-15539 vulnerability details – vuln.today

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