In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the 'My Shots' button that appeared, and direct the user to a replica Firefox Screenshots page that could be used for phishing. This vulnerability affects Firefox < 127.
Link | Tags |
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https://bugzilla.mozilla.org/show_bug.cgi?id=1389707 | issue tracking permissions required |
https://www.mozilla.org/security/advisories/mfsa2024-25/ | vendor advisory |