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CVE-2019-11711

HIGH
8.8
CVSS Score
Published: July 23, 2019 at 01:19 PM UTC
Updated: June 17, 2026 at 02:13 AM UTC
4 products affected across 2 vendorsDebian LinuxFirefoxThunderbird

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
8.0
Firefox· Mozilla
95%
v < 60.8.0v < 68v < 68.0
Affected range stops below 68, so it looks safe — our inference, not a vendor statement
Affected range stops below 68.0, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 60.8v < 60.8.0
Affected range stops below 60.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 60.8.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
60%
v < 60.8
Affected range stops below 60.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 60.8.0, so it looks safe — our inference, not a vendor statement

References (13)

Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1552541
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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