CVE-2019-11723
mediumpriority · track · 30EPSS 0.008 · 57 %ileDEEURUUSEPSS · 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (23)
Products and version ranges known to be affected.
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (35)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlcnnvd
- http://www.mozilla.com/en-US/cnnvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=1528335cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-11723cnnvd
- https://packetstormsecurity.com/files/154090/Gentoo-Linux-Security-Advisory-201908-12.htmlcnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan