A vulnerability was found in EasyAdmin8 2.0.2.2. It has been classified as problematic. Affected is an unknown function of the file /admin/index/index.html#/admin/mall.goods/index.html of the component File Upload Module. The manipulation leads to unrestricted upload. Using CWE to declare the problem leads to CWE-434. The weakness was presented 07/20/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-3800. The attack can only be done within the local network. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The current price for an exploit might be approx. USD $0-$5k at the moment. The MITRE ATT&CK project declares the attack technique as T1608.002. It is declared as proof-of-concept. The exploit is shared for download at github.com. As 0-day the estimated underground price was around $0-$5k. The vendor was contacted early about this disclosure but did not respond in any way. A possible mitigation has been published before and not just after the disclosure of the vulnerability.