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CVE-2019-11744

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Date: September 27, 2019

Some HTML elements, such as &lt;title&gt; and &lt;textarea&gt;, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if a site does not filter user input as strictly for these elements as it does for other elements. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Language: Unix

Severity Score

Related Resources (18)

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1562033
https://www.mozilla.org/security/advisories/mfsa2019-30/
https://nvd.nist.gov/vuln/detail/CVE-2019-11744
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
https://security.alpinelinux.org/vuln/CVE-2019-11744
https://www.mozilla.org/security/advisories/mfsa2019-25/
https://www.mozilla.org/security/advisories/mfsa2019-27/
https://www.mozilla.org/security/advisories/mfsa2019-26/
https://www.mozilla.org/security/advisories/mfsa2019-29/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
https://security-tracker.debian.org/tracker/CVE-2019-11744
https://security.gentoo.org/glsa/201911-07
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11744
https://usn.ubuntu.com/4150-1/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
https://access.redhat.com/security/cve/CVE-2019-11744
https://www.mend.io/vulnerability-database/CVE-2019-11744

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version firefox - 69.0-1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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