Description
If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
before 70affected
Mozilla Thunderbird
before 68.2affected
Mozilla Firefox ESR
before 68.2affected
References
- https://www.mozilla.org/security/advisories/mfsa2019-35/ ↗
- https://www.mozilla.org/security/advisories/mfsa2019-33/ ↗
- https://www.mozilla.org/security/advisories/mfsa2019-34/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1582857 ↗
- https://security.gentoo.org/glsa/202003-10 ↗
- https://usn.ubuntu.com/4335-1/ ↗