She had worked as a visiting scholar at the College of William and Mary between October 25, 2015 to October 24, 2016, and at the George Mason University between October 25, 2016 and August 31, 2017. He is currently a Professor of the Institute of Information Engineering at CAS. I don't know a lot about the postMessage security details. If the postMessage() is used to transmit sensitive information between windows, then an unauthorized window would be able to retrieve this information as well. All rights reserved. Thanks you Vikas for looking into this quickly. I don't know a lot about the postMessage security details. https://doi.org/10.1016/j.cose.2018.09.010. __REDUX_DEVTOOLS_EXTENSION__, which is a global function.

A broadcast of information to windows on the client-side using postMessage was observed. A security scan of the product is reporting "HTML5: Overly Permissive Message Posting Policy" against Funtion:Window:postMessage in robohelp.

hWndType: HWNDA handle to the window whose window procedure is to receive the message. We’ll occasionally send you account related emails. There are also ways to get access to the store object without using Redux DevTools. You're right, but I don't see other ways to pass data from client page script to extension's content script. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. DangerNeighbor attack: Information leakage via postMessage mechanism in HTML5. The postMessage method allows plain text messages to be sent from one domain to another. A malicious script can also redeclare window.

I think this is something for your IT people to take up as they will understand whether or not it is a real risk. Wei Chen received the Ph.D. degree from Wuhan University, in 2005. He published over 70 technical papers on security conferences and journals including IEEE S&P, ACM CCS, NDSS, IEEE DSN, ESORICS, ACSAC, IEEE TDSC, and IEEE TIFS, and two papers won the Best Paper Award. Though we would still need to validate this change from product side, but the change is completely fine if you are not using the online help inside your own specific iframe or across different domains. Particularly, we perform a case study of DangerNeighbor attack against the OAuth access token. This will avoid receiving unintended input from a malicious window. Copyright © 2020 Elsevier B.V. or its licensors or contributors. privacy statement. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. In this particular case, the given stack trace represents the execution of javascript that led to the discovery of the vulnerability. Thanks for trying and sharing the workaround.

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