CVE-2016-9909 Information

Description

The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the (less than) character in attribute values.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://www.openwall.com/lists/oss-security/2016/12/06/5 http://www.openwall.com/lists/oss-security/2016/12/08/8 http://www.securityfocus.com/bid/95132 https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 https://github.com/html5lib/html5lib-python/issues/11 https://github.com/html5lib/html5lib-python/issues/12 https://html5lib.readthedocs.io/en/latest/changes.htmlb9

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1