|Description||Mozilla Firefox 188.8.131.52 and earlier does not prompt users before saving bookmarklets, which allows remote attackers to bypass the same-domain policy by tricking a user into saving a bookmarklet with a data: scheme, which is executed in the context of the last visited web page.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: remote)|
|Debian Bugs||556268, 556270, 556271, 556272|
Vulnerable and fixed packages
The table below lists information on source packages.
|buster, bullseye, sid||184.108.40.206-2||vulnerable|
The information below is based on the following data on fixed versions.
only epiphany-gecko backend affected
- conkeror <not-affected> (doesn't support bookmarks)