CVE-2020-11888

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

python-markdown2 versiones hasta 2.3.8, permite un ataque de tipo XSS porque los nombres de los elementos se manejan inapropiadamente a menos que una coincidencia de \w+ tenga éxito. Por ejemplo, un ataque podría usar elementname@ o elementname- con un atributo onclick.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-17 CVE Reserved
2020-04-20 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://github.com/trentm/python-markdown2/issues/348	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Python-markdown2 Project Search vendor "Python-markdown2 Project"		Python-markdown2 Search vendor "Python-markdown2 Project" for product "Python-markdown2"				<= 2.3.8 Search vendor "Python-markdown2 Project" for product "Python-markdown2" and version " <= 2.3.8"		-		Affected