a fatal bug that can kill the comment system（用户恶意修改 UA 评论 可影响正常评论加载）

[sqlsec]

如果您想报告错误，请提供以下信息 If you want to report a bug, please provide the following information:

可复现问题的步骤 The steps to reproduce.

The latest version of valine is 1.4.14，Let's first look at the effect of normal page loading comments:

When the commented user UA is incomplete，such as：

Mozilla/8.0

This will cause the entire comment system of the current page to be damaged and the comments cannot be loaded normally

可复现问题的网页地址

https://islu.cn/posts/38530.html

This website uses the latest version of valine, the comment cannot be loaded normally

受影响的Valine版本、操作系统，以及浏览器信息

• Valine 1.4.14
• OS：Windows/Linux/macOS
• Browser: Chrome、Firefox、Safair

总的来说就是 如果有用户恶意修改 UA 评论的话，会直接把那个页面评论打瘫痪掉，我是在排查我的一篇 300 多个评论文章的时候发现的，把 leancloud 从里到外排查了一遍 才发现了这个 BUG，希望作者大大后面可以修复这个尴尬的问题

[xCss]

@sqlsec 你好，我这边本地测试没法复现这个Bug 😢

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.