CVE-2020-27783

6.1 MEDIUM
Published: December 03, 2020 Modified: December 17, 2025
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2020-4286
Source: secalert@redhat.com
Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1901633
Source: secalert@redhat.com
Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
Source: secalert@redhat.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
Source: secalert@redhat.com
https://security.netapp.com/advisory/ntap-20210521-0003/
Source: secalert@redhat.com
Third Party Advisory
https://www.debian.org/security/2020/dsa-4810
Source: secalert@redhat.com
Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
Source: secalert@redhat.com
Patch Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2020-4286
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1901633
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20210521-0003/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2020/dsa-4810
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.1 / 10.0
EPSS (Exploit Probability)
1.1%
78th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

redhat debian fedoraproject oracle lxml netapp

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