CVE-2019-11723

mediumpriority · track · 30EPSS 0.008 · 57 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.81% (57th) EPSS
CVSS 5 · medium
Is it mine?
23 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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 different "containers" for people who use the Firefox Multi-Account Containers Web Extension. This vulnerability affects Firefox < 68.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (23)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-0459Mozilla Firefox/Firefox ESR: Mehrere SchwachstellenDeutsch2019-07-09csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Firefox ESR ausnutzen, um einen Denial of Service Angriff durchzuführen, Daten zu manipulieren, Sicherheitsmechanismen zu umgehen, vertrauliche Daten einzusehen oder Code mit den Privilegien des Angegriffenen zur Ausführung zu bringen.

05

also known as (4)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2019-07-23modified 2026-06-17
08

references (35)

External citations — patches, advisories, analysis.

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