Under certain circumstances, a JavaScript alert (or prompt) could have been shown while another website was displayed underneath it. This could have been abused to trick the user.
*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97.
- https://bugzilla.mozilla.org/show_bug.cgi?id=1743931
- https://www.mozilla.org/security/advisories/mfsa2022-04/
No PoCs found on GitHub currently.