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Fix XSS vulnerability in link regex [Security Issue]

This commit is contained in:
Wu Cheng-Han 2017-03-22 18:26:35 +08:00
parent 0f3b028ed6
commit e629800457
1 changed files with 2 additions and 2 deletions
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4
public/js/render.js
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@ -3,8 +3,8 @@
// allow some attributes
var whiteListAttr = ['id', 'class', 'style']
window.whiteListAttr = whiteListAttr
// allow link starts with '.', '/' and custom protocol with '://'
var linkRegex = /^([\w|-]+:\/\/)|^([.|/])+/
// allow link starts with '.', '/' and custom protocol with '://', exclude link starts with javascript://
var linkRegex = /^(?!javascript:\/\/)([\w|-]+:\/\/)|^([.|/])+/
// allow data uri, from https://gist.github.com/bgrins/6194623
var dataUriRegex = /^\s*data:([a-z]+\/[a-z0-9-+.]+(;[a-z-]+=[a-z0-9-]+)?)?(;base64)?,([a-z0-9!$&',()*+;=\-._~:@/?%\s]*)\s*$/i
// custom white list