CVE-2020-11888

Upstream information

CVE-2020-11888 at MITRE

Description

python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	None

CVSS v3 Scores

CVSS detail	National Vulnerability Database
Base Score	6.1
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Changed
Confidentiality Impact	Low
Integrity Impact	Low
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1171379 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2020:0651-1, published Thu Dec 7 12:55:39 2023
• openSUSE-SU-2020:0656-1, published Thu Dec 7 12:55:39 2023

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	python2-markdown2 >= 2.3.7-bp151.2.3.1 python3-markdown2 >= 2.3.7-bp151.2.3.1	Patchnames: openSUSE-2020-656
openSUSE Leap 15.1	python2-markdown2 >= 2.3.7-lp151.2.3.1 python3-markdown2 >= 2.3.7-lp151.2.3.1	Patchnames: openSUSE-2020-651

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SUSE Timeline for this CVE

CVE page created: Mon Apr 20 21:21:38 2020
CVE page last modified: Mon Oct 6 19:25:04 2025