GHSA-xp26-p53h-6h2p
Improper Neutralization of Input During Web Page Generation in LXML
At a glance
- Published
- Updated
- CVE
- CVE-2018-19787
- Aliases
- PYSEC-2018-12
- CVSS_V3
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Description
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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · lxml | introduced 0, fixed 4.2.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-19787 ADVISORY
- https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109 WEB
- https://github.com/advisories/GHSA-xp26-p53h-6h2p ADVISORY
- https://github.com/lxml/lxml WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml WEB
- https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html WEB
- https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html WEB
- https://usn.ubuntu.com/3841-1 WEB
- https://usn.ubuntu.com/3841-2 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |