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Should I be concerned by “SecurityError: Permission denied to access property on cross-origin object” logs



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Data science time! April 2019 and salary with experience
The Ask Question Wizard is Live!Understanding CORSHow should I ethically approach user password storage for later plaintext retrieval?JavaScript permission denied. Not cross domain?Cross domain access permission denied in iframeCross Site Scripting Iframe Permission Denied issueSecurityError: Blocked a frame with origin from accessing a cross-origin frameError: Permission denied to access property 'addEventListener'Firefox only 'cross-origin object' permission denied with same domain requestDOMException: Permission denied to access property “apply” on cross-origin objectPopup window can't access parent (opener) window (Permission denied to access property on cross-origin object)Permission denied to access the property “__contentwindow__” on cross origin object in Firefox browser



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4















Following errors were logged on my website, should I be concerned or can I just ignore them?



SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object - url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js - line: 65 - column: 0 - error: SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object (browser: Firefox 55)


Thanks!










share|improve this question






















  • This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

    – Steven Stark
    Mar 8 at 18:47











  • Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

    – Quentin
    Apr 5 at 9:23

















4















Following errors were logged on my website, should I be concerned or can I just ignore them?



SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object - url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js - line: 65 - column: 0 - error: SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object (browser: Firefox 55)


Thanks!










share|improve this question






















  • This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

    – Steven Stark
    Mar 8 at 18:47











  • Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

    – Quentin
    Apr 5 at 9:23













4












4








4








Following errors were logged on my website, should I be concerned or can I just ignore them?



SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object - url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js - line: 65 - column: 0 - error: SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object (browser: Firefox 55)


Thanks!










share|improve this question














Following errors were logged on my website, should I be concerned or can I just ignore them?



SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object - url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js - line: 65 - column: 0 - error: SecurityError: Permission denied to access property "dispatchEvent" on cross-origin object (browser: Firefox 55)


Thanks!







javascript security cross-domain






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 8 at 18:44









user2708647user2708647

8929




8929












  • This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

    – Steven Stark
    Mar 8 at 18:47











  • Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

    – Quentin
    Apr 5 at 9:23

















  • This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

    – Steven Stark
    Mar 8 at 18:47











  • Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

    – Quentin
    Apr 5 at 9:23
















This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

– Steven Stark
Mar 8 at 18:47





This is a duplicate of: stackoverflow.com/questions/25845203/understanding-cors ( I'm out of flags )

– Steven Stark
Mar 8 at 18:47













Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

– Quentin
Apr 5 at 9:23





Read the error message more carefully. They aren't on your website. url: moz-extension://f985b107-bcb9-45d4-95c4-b1bb39443725/js/inject.js. They are coming from a browser extension. We have no idea if you should be concerned or not, we don't know what extensions you have installed or how trustworthy they are (and this isn't a programming problem unless you are writing the extension yourself).

– Quentin
Apr 5 at 9:23












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