CVE-2026-6650
Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
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.
- Record
CVE-2026-6650- CVSS 4.0
- 5.1 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 - CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 5.8
AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-434, CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-23876
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.
- Record
EUVD-2026-23876- CVSS 4.0
- 5.1 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p7mp-86pp-wx7w
A vulnerability was identified in Z-BlogPHP 1.7.5. This affects the function App::UnPack of the...
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.
- Record
GHSA-p7mp-86pp-wx7w- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-6650- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 5.8 Medium
AV:N/AC:L/Au:M/C:P/I:P/A:P - Weakness
- CWE-284, CWE-434
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-6650 is a medium vulnerability (CVSS 5.1), published April 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.