A vulnerability classified as problematic was found in thinkgem JeeSite up to 5.12.0. This vulnerability affects the function sso of the file src/main/java/com/jeesite/modules/sys/web/SsoController.java. The manipulation of the argument redirect leads to open redirect. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 3d06b8d009d0267f0255acc87ea19d29d07cedc3. It is recommended to apply a patch to fix this issue.