Cross-site Scripting (XSS) The advisory has been revoked - it doesn't affect any version of package python-lxml-debugsource (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS8-PYTHONLXMLDEBUGSOURCE-1940558
- published26 Jul 2021
- disclosed9 Sept 2018
Introduced: 9 Sep 2018
CVE-2018-19787 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-lxml-debugsource package and not the python-lxml-debugsource package as distributed by Centos.
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
References
- https://access.redhat.com/security/cve/CVE-2018-19787
- https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109
- https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html
- https://usn.ubuntu.com/3841-1/
- https://usn.ubuntu.com/3841-2/