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Chrome 0.0
<!-- sample vector --> <img src=xx:xx 0x0donerror=alert(1)>

Fuzz vector cloud

Anchor Attributes CSS Closing Comments HTML HTML5 JavaScript Property Protocol Script URL XSS attribute bla bypass challenge char comment data encoding entities entity event events flash for fun handler href img innerHTML navigateURL onload prompt properties regex space src string strings style svg tag tags test testing uri waf xml

3,424,392 Successful fuzzes

Fuzz Vectors

Searching for "handler"

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Description Vector Created by
Valid characters in on____ event handler attributes <img src on*chr*error=logChr(*num*)> @Lamp_Sec
Characters allowed between event handlers and equal sign <img src="about:blank" onerror*chr*=logChr(*num*)> @peksa
HTML input image tag attributes that run JavaScript <input *datahtmlattributes*="customLog('*datahtmlattributes*')" type="image" src="about:blank"> @peksa
HTML input tag attributes that run JavaScript <input *datahtmlattributes*="customLog('*datahtmlattributes*')" type="text"> @peksa
Characters that dont inhibit eventhandlers <img src=xx:xx o*chr*nerror=logChr(*num*)> @tifkin_
html dataentities before event handler <img src="x" asdf/="_=" alt=" *dataentities*onerror=logChr(*num*) //"> @testacc40590139
Determine what character can be at the end of the javascript but before the colon <!-- sample vector --> <img src=xx:xx *chr*onerror=logChr(*num*)> <a href=javascript*chr*:alert(*num*)>*num*</a> @MisterJyu
Characters ignored in html event handler name <img src=x on*chr*Error="javascript:log(*num*)"/> @mhswende