A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as problematic. This vulnerability affects the function
changeLanguage of the file src/main/java/co/yiiu/pybbs/controller/front/IndexController.java. The manipulation of the argument referer leads to open redirect.
This vulnerability was named CVE-2025-8813. The attack can be initiated remotely. Furthermore, there is an exploit available.
It is recommended to apply a patch to fix this issue.
