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[XSS] Better specificity of HTML elements preliminary checks.

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hackademix 2023-09-08 15:14:06 +01:00
parent 5602f3c7cc
commit dc3a767804
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src/xss/InjectionChecker.js
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@ -916,7 +916,7 @@ XSS.InjectionChecker = (async () => {
GlobalsChecker: /https?:\/\/[\S\s]+["'\s\0](?:id|class|data-\w+)[\s\0]*=[\s\0]*("')?\w{3,}(?:[\s\0]|\1|$)|(?:id|class|data-\w+)[\s\0]*=[\s\0]*("')?\w{3,}(?:[\s\0]|\1)[\s\S]*["'\s\0]href[\s\0]*=[\s\0]*(?:"')?https?:\/\//i, GlobalsChecker: /https?:\/\/[\S\s]+["'\s\0](?:id|class|data-\w+)[\s\0]*=[\s\0]*("')?\w{3,}(?:[\s\0]|\1|$)|(?:id|class|data-\w+)[\s\0]*=[\s\0]*("')?\w{3,}(?:[\s\0]|\1)[\s\S]*["'\s\0]href[\s\0]*=[\s\0]*(?:"')?https?:\/\//i,
HTMLChecker: new RegExp("<[^\\w<>]*(?:[^<>\"'\\s]*:)?[^\\w<>]*(?:" + // take in account quirks and namespaces HTMLChecker: new RegExp("<[^\\w<>]*(?:[^<>\"'\\s]*:)?[^\\w<>]*(?:" + // take in account quirks and namespaces
fuzzify("script|form|style|svg|marquee|(?:link|object|embed|applet|param|i?frame|base|body|meta|ima?ge?|video|audio|bindings|set|isindex|animate|template") + fuzzify("script|form|style|svg|marquee|(?:link|object|embed|applet|param|i?frame|base|body|meta|ima?ge?|video|audio|bindings|set|isindex|animate|template") +
")[^>\\w])|['\"\\s\\0/](?:style|innerhtml|data-bind|(?:data-)?mv-(?:\\w+[\\w-]*)|" + IC_EVENT_PATTERN + ")[^>\\w][^>]+=)|['\"\\s\\0/](?:style|innerhtml|data-bind|(?:data-)?mv-(?:\\w+[\\w-]*)|" + IC_EVENT_PATTERN +
")[\\s\\0]*=|<%[^]+[=(][^]+%>", "i"), ")[\\s\\0]*=|<%[^]+[=(][^]+%>", "i"),
async checkHTML(s) { async checkHTML(s) {