CVE-2020-27783

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.

CVSS v3.0 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901633	Exploit Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2020/dsa-4810
https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
https://advisory.checkmarx.net/advisory/CX-2020-4286
https://security.netapp.com/advisory/ntap-20210521-0003/

Configurations

Configuration 1 (hide)

cpe:2.3:a:lxml:lxml:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:software_collections:-:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Information

Published : 2020-12-03 17:15

Updated : 2021-07-20 23:15

NVD link : CVE-2020-27783

Mitre link : CVE-2020-27783

JSON object : View

Products Affected

redhat

enterprise_linux
software_collections

lxml

lxml

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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