National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-11593 Detail

Current Description

Cross-site scripting (XSS) vulnerability in the Markdown Preview Plus extension before 0.5.7 for Chrome allows remote attackers to inject arbitrary web script or HTML into some web applications via the upload and display of crafted text, markdown, or rst files that are designed to be viewed in the browser as plain text, but that will be converted to HTML without proper sanitization.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (V3 legend)
Impact Score: 2.7
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920 Patch Vendor Advisory
https://github.com/volca/markdown-preview/issues/60 Exploit Issue Tracking Third Party Advisory

Technical Details

Vulnerability Type (View All)

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

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ooso:markdown_preview_plus:*:*:*:*:*:chrome:*:*
     Show Matching CPE(s)
Up to (including)
0.4.5


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-11593
NVD Published Date:
07/23/2017
NVD Last Modified:
08/10/2017