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CVE-2017-5451 A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event

Description

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Affected products and versions

Product Affected versions Fixed in
Thunderbird 52.1 earliest → < 52.1 52.1
Firefox ESR 52.1 earliest → < 52.1 52.1
Firefox 53 earliest → < 53 53

References

Timeline

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