CVEvulnerability
CVE-2016-9909
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2017-02-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.1 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• html5lib html5lib (<= 0.99999999)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://www.openwall.com/lists/oss-security/2016/12/06/5 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/8 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95132 Third Party Advisory, VDB Entry
- https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 Patch
- https://github.com/html5lib/html5lib-python/issues/11 Vendor Advisory
- https://github.com/html5lib/html5lib-python/issues/12 Vendor Advisory
- https://html5lib.readthedocs.io/en/latest/changes.html#b9 Release Notes
- http://www.openwall.com/lists/oss-security/2016/12/06/5 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/8 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95132 Third Party Advisory, VDB Entry
- https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 Patch
- https://github.com/html5lib/html5lib-python/issues/11 Vendor Advisory
- https://github.com/html5lib/html5lib-python/issues/12 Vendor Advisory
- https://html5lib.readthedocs.io/en/latest/changes.html#b9 Release Notes