CVE-2026-6650CWE-284CWE-434

Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload

Medium · published April 20, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
30.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00376 · 30.4th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-04-20T14:30Z
EPSS history
Timeline
  • 20 APR 14:30Z
    Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
    cvelistv5