CVE-2020-11888

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-11888
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.

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

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

V2 Legend

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://github.com/trentm/python-markdown2/issues/348 Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/
Configurations

Configuration 1 (hide)

cpe:2.3:a:python-markdown2_project:python-markdown2:*:*:*:*:*:*:*:*
History

07 Nov 2023, 03:15

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/', 'name': 'FEDORA-2020-ab379d4b90', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/', 'name': 'FEDORA-2020-3864f32b3d', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/', 'name': 'FEDORA-2020-5f8f90e69c', 'tags': [], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/ -
Information

Published : 2020-04-20 16:15

Updated : 2023-11-07 03:15

NVD link : CVE-2020-11888

Mitre link : CVE-2020-11888

JSON object : View

Products Affected

python-markdown2_project

  • python-markdown2
CWE
CWE-79

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