CVE-2019-11711

Name: CVE-2019-11711
Creator: NVD / NIST
Published: 2019-07-23T14:15:15.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.63%

Last modified Jun 17, 2026

CVE-2019-11711 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even those that did not use document.domain to relax their origin security. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

Description

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even those that did not use document.domain to relax their origin security. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.63%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 60.8.0
Mozilla	Firefox	< 68.0
Mozilla	Thunderbird	< 60.8.0
Debian	Debian Linux	8.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlBroken Link
https://bugzilla.mozilla.org/show_bug.cgi?id=1552541Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201908-12Third Party Advisory
https://security.gentoo.org/glsa/201908-20Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-23/Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlBroken Link
https://bugzilla.mozilla.org/show_bug.cgi?id=1552541Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201908-12Third Party Advisory
https://security.gentoo.org/glsa/201908-20Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-23/Vendor Advisory

Timeline

Published: Jul 23, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11711?

How severe is CVE-2019-11711?

CVE-2019-11711 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11711?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11711?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST