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RedhatCVE-2020-27783

HistoryDec 03, 2020 - 5:15 p.m.

CVE-2020-27783

2020-12-0317:15:13

CWE-79

redhat

web.nvd.nist.gov

278

cve-2020-27783

python-lxml

xss

vulnerability

nvd

security

html

code

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.4

Confidence

High

EPSS

0.004

Percentile

73.0%

JSON

A XSS vulnerability was discovered in python-lxml’s clean module. The module’s parser didn’t properly imitate browsers, which caused different behaviors between the sanitizer and the user’s page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.

Affected configurations

Nvd

Vulners

Node

lxmllxmlRange1.2–4.6.2

Node

redhatsoftware_collectionsMatch-

redhatenterprise_linuxMatch8.0

Node

debiandebian_linuxMatch9.0

debiandebian_linuxMatch10.0

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

Node

netappsnapcenterMatch-

Node

oraclecommunications_offline_mediation_controllerMatch12.0.0.3.0

oraclezfs_storage_appliance_kitMatch8.8

VendorProductVersionCPE
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
python	python	*	cpe:2.3:a:python:python::::::::

CNA Affected

[
  {
    "product": "python-lxml",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "lxml-4.6.2"
      }
    ]
  }
]