CVE-2019-11720

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.

• CWE-79

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1556230Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/201908-12Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1556230Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/201908-12Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory

Published

Jul 23, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2019-11721The unicode latin 'kra' character can be used to spoof a sta…6.5
• CVE-2019-11722Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
• CVE-2019-11723A vulnerability exists during the installation of add-ons wh…7.5
• CVE-2019-11724Application permissions give additional remote troubleshooti…6.1
• CVE-2019-11725When a user navigates to site marked as unsafe by the Safebr…6.5
• CVE-2019-11727A vulnerability exists where it possible to force Network Se…