A vulnerability, which was classified as problematic, has been found in ywoa up to 2024.07.03. This issue affects the function extract of the file c-main/src/main/java/com/redmoon/weixin/aes/XMLParse.java of the component WXCallBack Interface. The manipulation leads to xml external entity reference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2024.07.04 is able to address this issue. It is recommended to upgrade the affected component.