[BUG] Security Vulnerability - Action Required: XSS vulnerability in the newest version of the datax-web

[Crispy-fried-chicken]

Describe the bug I think your project allows Stored XSS (in Add User) to bypass the 20-character limit via datax-admin/src/main/java/com/wugui/datax/admin/controller/UserController.java#L27. It shares similarities to a recent CVE disclosure CVE-2020-29204 in thexuxueli/xxl-job.

The source vulnerability information is as follows:

Vulnerability Detail: CVE Identifier: CVE-2020-29204 Description: XXL-JOB 2.2.0 allows Stored XSS (in Add User) to bypass the 20-character limit via xxl-job-admin/src/main/java/com/xxl/job/admin/controller/UserController.java. Reference:https://nvd.nist.gov/vuln/detail/CVE-2020-29204 Patch: https://github.com/xuxueli/xxl-job/commit/227628567354d3c156951009d683c6fec3006e0e

To Reproduce The reproduce step may be similiar to the xxl-job(https://github.com/xuxueli/xxl-job/issues/2083)

Expected behavior Add User

Which version of DataX Web: the newest version

**Requirement or improvement The corresponding fixes are similar to CVE-2020-29204 to some extent. You can follow the patch of CVE-2020-29204 to fix it.