Angle brackets should not appear in CSS contexts, as they may affect
token boundaries (such as closing a <style> tag, resulting in
injection). Instead emit filterFailsafe, matching the behavior for other
dangerous characters.
Thanks to Juho Nurminen of Mattermost for reporting this issue.
For #59720Fixes#59811
Fixes CVE-2023-24539
(From OE-Core rev: 0a09194f3d4ad98d0cf0d070ec0c99e7a6c8a158)
Signed-off-by: Vivek Kumbhar <vkumbhar@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
