Description

Activity Stream can display content from sent from the Snippet Service website. This content is written to innerHTML on the Activity Stream page without sanitization, allowing for a potential access to other information available to the Activity Stream, such as browsing history, if the Snipper Service were compromised. This vulnerability affects Firefox < 68.

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1408349

https://security.gentoo.org/glsa/201908-12

https://www.mozilla.org/security/advisories/mfsa2019-21/

Details

Risk Information

CVSS v2

CVSS v3