A vulnerability, which was classified as problematic, was found in earclink ESPCMS P8.21120101. Affected is an unknown function of the component Content Handler. The manipulation leads to cross site scripting. Using CWE to declare the problem leads to CWE-79. The weakness was shared 01/12/2023. The advisory is available at gitee.com. This vulnerability is traded as CVE-2023-0246. It is possible to launch the attack remotely. There are no technical details available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. It is declared as proof-of-concept. The exploit is shared for download at gitee.com. As 0-day the estimated underground price was around $0-$5k. A possible mitigation has been published before and not just after the disclosure of the vulnerability.