Detections
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Alpine: py3-lxml: security update to 4.5.1-r1

critical Tenable Self-Hosted Container Security Plugin ID 406674

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2020-27783)

See Also

https://security.alpinelinux.org/vuln/CVE-2020-27783

Plugin Details

Severity: Critical

ID: 406674

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.67

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2020-27783

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-27783