12306.cn fails to load slide verification 滑块无法加载

检查F12后会发现是CORS相关错误。使用Firefox 87.0 on win64配合Allow CORS这个插件会发现问题解决了。

但是大多数浏览器无法通过这个方法解决问题,因为最新版本chrome和firefox开始禁止使用Access-Control-Allow-Origin: *

I'm looking into this problem, and Firefox 87.0 on win64 is a verified working solution. Try it if you're stuck!

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