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A website was able to detect when a user took a screenshot of a page using the built-in Screenshot functionality in Firefox. This vulnerability affects Firefox < 127.
Reserved 2024-06-06 | Published 2024-06-11 | Updated 2025-03-13 | Assigner mozillaWebsite was able to detect when Firefox was taking a screenshot of them
Wil Clouser
bugzilla.mozilla.org/show_bug.cgi?id=1414937
www.mozilla.org/security/advisories/mfsa2024-25/
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