CVE-2019-11762

MEDIUM

Firefox <70, Thunderbird <68.2, Firefox ESR <68.2 - CSRF

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-35/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-33/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-34/
Issue Tracking, Permissions Required x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1582857
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-10
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4335-1/

Scores

CVSS v3 6.1
EPSS 0.0036
EPSS Percentile 57.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-346
Status published
Products (4)
canonical/ubuntu_linux 16.04
mozilla/firefox < 70.0
mozilla/firefox_esr < 68.2
mozilla/thunderbird < 68.2
Published Jan 08, 2020
Tracked Since Feb 18, 2026