01 Record

CVE-2019-11723

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could leak cookies in private browsing mode or across

UnratedPUBLISHEDCNA: mozilla

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could leak cookies in private browsing mode or across

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.81% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 54.2% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2019-07-23 13:17Z7 YR AGO

Last updated

2024-08-04 23:03Z2 YR AGO

Reserved

2019-05-03

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-346Origin Validation ErrorClass
CWE-212Improper Removal of Sensitive Information Before Storage or TransferBase

Data version

5.1

Document digest

3f279e5dee353eb746eecf7d8e6627acc0804848c9a9cc65f066341d7f4973a0

05 Affected products

VendorProductVersionsPlatforms

MozillaFirefox< 68—

06 References

www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-21/x_refsource_MISC
bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1528335x_refsource_MISC
security.gentoo.orgGLSA-201908-12https://security.gentoo.org/glsa/201908-12vendor-advisoryx_refsource_GENTOO
lists.opensuse.orgopenSUSE-SU-2019:2248http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2019:2249http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2019:2251http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2019:2260http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlvendor-advisoryx_refsource_SUSE

01 Record index

CVE-2019-11723

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2019-11723

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References