It was possible to move the cursor using pointerlock from an iframe. This allowed moving the cursor outside of the viewport and the Firefox window. This vulnerability affects Firefox < 128 and Thunderbird < 128.
Link | Tags |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1743329 | issue tracking |
https://www.mozilla.org/security/advisories/mfsa2024-29/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2024-32/ | vendor advisory |