CVE-2019-11720
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.5 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.3%
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
bugzilla.mozilla.org/show_bug.cgi?id=1556230
security.gentoo.org/glsa/201908-12
www.mozilla.org/security/advisories/mfsa2019-21/
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.5 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.3%