CVE-2026-6650

| EUVD-2026-23876 MEDIUM
2026-04-20 VulDB GHSA-p7mp-86pp-wx7w
PHP File Upload
5.1
CVSS 4.0
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CVSS VectorNVD

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

Lifecycle Timeline

2
CVSS Changed
Apr 20, 2026 - 16:22 NVD
4.7 (MEDIUM) 5.1 (MEDIUM)
Analysis Generated
Apr 20, 2026 - 15:51 vuln.today

DescriptionNVD

A vulnerability was identified in Z-BlogPHP 1.7.5. This affects the function App::UnPack of the file /zb_users/plugin/AppCentre/app_upload.php of the component ZBA File Handler. The manipulation leads to unrestricted upload. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Z-BlogPHP 1.7.5 allows authenticated remote attackers with administrative privileges to upload arbitrary files via the App::UnPack function in the ZBA File Handler component (/zb_users/plugin/AppCentre/app_upload.php), bypassing file upload restrictions and potentially enabling remote code execution. Public exploit code exists, and the vendor has not responded to early disclosure attempts.

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CVE-2026-6650 vulnerability details – vuln.today
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