A security flaw has been discovered in WuzhiCMS up to 4.1.0. This affects the function member::setAvatar of the file /index.php?m=member&f=user&v=setAvatar of the component Avatar Upload. The manipulation of the argument File results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Wuzhicms
  • Wuzhicms

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References
Link Providers
https://github.com/wuzhicms/wuzhicms/ cve-icon cve-icon
https://github.com/wuzhicms/wuzhicms/issues/219 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-91849 cve-icon cve-icon
https://vuldb.com/submit/933702 cve-icon cve-icon
https://vuldb.com/vuln/404077 cve-icon cve-icon
https://vuldb.com/vuln/404077/cti cve-icon cve-icon
History

Sat, 19 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 15 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in WuzhiCMS up to 4.1.0. This affects the function member::setAvatar of the file /index.php?m=member&f=user&v=setAvatar of the component Avatar Upload. The manipulation of the argument File results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Title WuzhiCMS Avatar Upload index.php setAvatar unrestricted upload
First Time appeared Wuzhicms
Wuzhicms wuzhicms
Weaknesses CWE-284
CWE-434
CPEs cpe:2.3:a:wuzhicms:wuzhicms:*:*:*:*:*:*:*:*
Vendors & Products Wuzhicms
Wuzhicms wuzhicms
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-09-15T15:30:07.894Z

Updated: 2026-09-17T15:30:00.655Z

Reserved: 2026-09-15T08:44:39.948Z

Link: CVE-2026-91849

cve-icon Vulnrichment

Updated: 2026-09-17T15:29:56.700Z

cve-icon NVD

Status : Deferred

Published: 2026-09-15T16:17:43.003

Modified: 2026-09-17T16:18:29.010

Link: CVE-2026-91849

cve-icon Redhat

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