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CVE-2026-6650— Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload

CVSS 4.7 · Medium EPSS 0.04% · P13
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I. Basic Information for CVE-2026-6650

Vulnerability Information
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Vulnerability Title
Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Z-BlogPHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Z-BlogPHP是Z-Blog社区的一套开源的基于PHP的博客系统。 Z-BlogPHP 1.7.5版本存在安全漏洞，该漏洞源于组件ZBA File Handler的文件/zb_users/plugin/AppCentre/app_upload.php中函数App::UnPack存在缺陷，可能导致不受限制的上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-Z-BlogPHP 1.7.5 -

II. Public POCs for CVE-2026-6650

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III. Intelligence Information for CVE-2026-6650

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Same Patch Batch · n/a · 2026-04-20 · 21 CVEs total

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IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-434

V. Comments for CVE-2026-6650

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