Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS04ZjZtLWdmcTktZzMzds4AAb62

Cross-site Scripting in html5lib

The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of special characters in attribute values, a different vulnerability than CVE-2016-9909.

Permalink: https://github.com/advisories/GHSA-8f6m-gfq9-g33v
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS04ZjZtLWdmcTktZzMzds4AAb62
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: over 1 year ago

CVSS Score: 6.1
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-8f6m-gfq9-g33v, CVE-2016-9910
References:

• https://nvd.nist.gov/vuln/detail/CVE-2016-9910
• https://github.com/html5lib/html5lib-python/issues/11
• https://github.com/html5lib/html5lib-python/issues/12
• https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7
• https://html5lib.readthedocs.io/en/latest/changes.html#b9
• 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/advisories/GHSA-8f6m-gfq9-g33v
• https://github.com/pypa/advisory-database/tree/main/vulns/html5lib/PYSEC-2017-15.yaml

Repository: https://github.com/html5lib/html5lib-python
Blast Radius: 28.5

Affected Packages