CVE-2018-19787
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
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.
Overview
- CVE ID
- CVE-2018-19787
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-12-02T10:29:00
- Last Modified Date
- 2020-11-26T21:15:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:lxml:lxml:*:*:*:*:*:*:*:* | 1 | OR | 4.2.5 | |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109 | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3841-2/ | Third Party Advisory |
| https://usn.ubuntu.com/3841-1/ | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-19787 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19787 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:32:46 | Added to TrackCVE | |||
| 2022-12-03 14:54:15 | 2018-12-02T10:29Z | 2018-12-02T10:29:00 | CVE Published Date | updated |
| 2022-12-03 14:54:15 | 2020-11-26T21:15:09 | CVE Modified Date | updated | |
| 2022-12-03 14:54:15 | Modified | Vulnerability Status | updated |