CVE-2018-1000162

Published: Apr 18, 2018Modified: Nov 21, 2024

6.1

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

Parsedown version prior to 1.7.0 contains a Cross Site Scripting (XSS) vulnerability in `setMarkupEscaped` for escaping HTML that can result in JavaScript code execution. This attack appears to be exploitable via specially crafted markdown that allows it to side step HTML escaping by breaking AST boundaries. This vulnerability appears to have been fixed in 1.7.0 and later.

Affected (1)

Products: Parsedown: Parsedown

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Parsedown Parsedown	Before 1.7.0

Related CWEs

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://github.com/Roave/SecurityAdvisories/issues/44#issuecomment-368594409

Source: cve@mitre.org

Third Party Advisory

https://github.com/erusev/parsedown/pull/495

Source: cve@mitre.org

Third Party Advisory

https://github.com/Roave/SecurityAdvisories/issues/44#issuecomment-368594409

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://github.com/erusev/parsedown/pull/495

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.