pysec-2018-12
Vulnerability from pysec
Published
2018-12-02 10:29
Modified
2021-06-16 00:03
Details
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.
Impacted products
| Name | purl | lxml | pkg:pypi/lxml |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "lxml",
"purl": "pkg:pypi/lxml"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6be1d081b49c97cfd7b3fbd934a193b668629109"
}
],
"repo": "https://github.com/lxml/lxml",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.2.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.9",
"0.9.1",
"0.9.2",
"1.0",
"1.0.1",
"1.0.2",
"1.0.3",
"1.0.4",
"1.0.beta",
"1.1",
"1.1.1",
"1.1.2",
"1.1alpha",
"1.1beta",
"1.2",
"1.2.1",
"1.3",
"1.3.1",
"1.3.2",
"1.3.3",
"1.3.4",
"1.3.5",
"1.3.6",
"1.3beta",
"2.0",
"2.0.1",
"2.0.10",
"2.0.11",
"2.0.2",
"2.0.3",
"2.0.4",
"2.0.5",
"2.0.6",
"2.0.7",
"2.0.8",
"2.0.9",
"2.0alpha1",
"2.0alpha2",
"2.0alpha3",
"2.0alpha4",
"2.0alpha5",
"2.0alpha6",
"2.0beta1",
"2.0beta2",
"2.1",
"2.1.1",
"2.1.2",
"2.1.3",
"2.1.4",
"2.1.5",
"2.1alpha1",
"2.1beta1",
"2.1beta2",
"2.1beta3",
"2.2",
"2.2.1",
"2.2.2",
"2.2.3",
"2.2.4",
"2.2.5",
"2.2.6",
"2.2.7",
"2.2.8",
"2.2alpha1",
"2.2beta1",
"2.2beta2",
"2.2beta3",
"2.2beta4",
"2.3",
"2.3.1",
"2.3.2",
"2.3.3",
"2.3.4",
"2.3.5",
"2.3.6",
"2.3alpha1",
"2.3alpha2",
"2.3beta1",
"3.0",
"3.0.1",
"3.0.2",
"3.1.0",
"3.1.1",
"3.1.2",
"3.1beta1",
"3.2.0",
"3.2.1",
"3.2.2",
"3.2.3",
"3.2.4",
"3.2.5",
"3.3.0",
"3.3.0beta1",
"3.3.0beta2",
"3.3.0beta3",
"3.3.0beta4",
"3.3.0beta5",
"3.3.1",
"3.3.2",
"3.3.3",
"3.3.4",
"3.3.5",
"3.3.6",
"3.4.0",
"3.4.1",
"3.4.2",
"3.4.3",
"3.4.4",
"3.5.0",
"3.5.0b1",
"3.6.0",
"3.6.1",
"3.6.2",
"3.6.3",
"3.6.4",
"3.7.0",
"3.7.1",
"3.7.2",
"3.7.3",
"3.8.0",
"4.0.0",
"4.1.0",
"4.1.1",
"4.2.0",
"4.2.1",
"4.2.2",
"4.2.3",
"4.2.4"
]
}
],
"aliases": [
"CVE-2018-19787",
"GHSA-xp26-p53h-6h2p"
],
"details": "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.",
"id": "PYSEC-2018-12",
"modified": "2021-06-16T00:03:23.627691Z",
"published": "2018-12-02T10:29:00Z",
"references": [
{
"type": "FIX",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2/"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1/"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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