CVE-2019-11720

Summary

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 Software

Weaknesses

• Character encoding XSS vulnerability

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2019-21/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1556230
• https://security.gentoo.org/glsa/201908-12
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

References

• https://www.mozilla.org/security/advisories/mfsa2019-21/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1556230
• https://security.gentoo.org/glsa/201908-12
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

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