Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/wuzhicms/wuzhicms/
- https://github.com/wuzhicms/wuzhicms/issues/219
- https://vuldb.com/cve/CVE-2026-91849
- https://vuldb.com/submit/933702
- https://vuldb.com/vuln/404077
- https://vuldb.com/vuln/404077/cti
FAQ
What is CVE-2026-91849?
CVE-2026-91849 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 manipula...
How severe is CVE-2026-91849?
CVE-2026-91849 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-91849?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.