firefox is vulnerable to cross-site scripting (XSS). The vulnerability exists when pasting a <style>
tag from the clipboard into a rich text editor, and the CSS sanitizer does not escape <
and >
characters, and when a webpage subsequently copies the node’s innerHTML
, and assigns it to another innerHTML
.
lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
access.redhat.com/errata/RHSA-2020:0085
access.redhat.com/errata/RHSA-2020:0086
access.redhat.com/errata/RHSA-2020:0111
access.redhat.com/errata/RHSA-2020:0120
access.redhat.com/errata/RHSA-2020:0123
access.redhat.com/errata/RHSA-2020:0127
bugzilla.mozilla.org/show_bug.cgi?id=1602843
lists.debian.org/debian-lts-announce/2020/01/msg00005.html
lists.debian.org/debian-lts-announce/2020/01/msg00016.html
seclists.org/bugtraq/2020/Jan/12
seclists.org/bugtraq/2020/Jan/18
seclists.org/bugtraq/2020/Jan/26
usn.ubuntu.com/4234-1/
usn.ubuntu.com/4241-1/
www.debian.org/security/2020/dsa-4600
www.debian.org/security/2020/dsa-4603
www.mozilla.org/security/advisories/mfsa2020-01/
www.mozilla.org/security/advisories/mfsa2020-02/