Improper Neutralization of Input During Web Page Generation in LXML
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2018-19787US | medium6.1 | — | ||
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 con… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-xp26-p53h-6h2pADVISORY
- https://github.com/lxml/lxmlWEB
- https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yamlWEB
- https://lists.debian.org/debian-lts-announce/2018/12/msg00001.htmlWEB
- https://lists.debian.org/debian-lts-announce/2020/11/msg00044.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2018-19787ADVISORY
- https://usn.ubuntu.com/3841-1WEB
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