vulnerability
Ubuntu: (CVE-2016-9909): html5lib vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Feb 22, 2017 | Jun 26, 2025 | Jul 28, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Feb 22, 2017
Added
Jun 26, 2025
Modified
Jul 28, 2025
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.
Solution
no-fix-ubuntu-package
References
- CVE-2016-9909
- https://attackerkb.com/topics/CVE-2016-9909
- URL-http://www.openwall.com/lists/oss-security/2016/12/06/5
- URL-https://github.com/html5lib/html5lib-python/issues/11
- URL-https://github.com/html5lib/html5lib-python/issues/12
- URL-https://www.cve.org/CVERecord?id=CVE-2016-9909
- URL-https://www.sourceclear.com/registry/security/cross-site-scripting-xss-/python/sid-3068
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