CVE-2019-11762

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.

• CWE-346

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

Published

Jan 8, 2020

Last Modified

Jun 17, 2026

Status

Modified

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