CVE-2026-90570A vulnerability has been found in linlinjava litemall 1.4.0/1.5.0/1.6.0/1.7.0/1.8.0. This issue affects the function AdminGoodsService.validate of the file litemall-vue/src/views/items/detail/index.vue of the component Product Detail. Such manipulation of the argument detail leads to cross site scripting. The attack may be launched remotely. The project was informed of the problem early through an issue report but has not responded yet.