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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-23342 Detail

Description

This affects the package docsify before 4.12.0. It is possible to bypass the remediation done by CVE-2020-7680 and execute malicious JavaScript through the following methods 1) When parsing HTML from remote URLs, the HTML code on the main page is sanitized, but this sanitization is not taking place in the sidebar. 2) The isURL external check can be bypassed by inserting more “////” characters


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/161495/docsify-4.11.6-Cross-Site-Scripting.html Exploit  Third Party Advisory 
http://packetstormsecurity.com/files/161495/docsify-4.11.6-Cross-Site-Scripting.html Exploit  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/71 Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/71 Mailing List  Third Party Advisory 
https://github.com/docsifyjs/docsify/commit/ff2a66f12752471277fe81a64ad6c4b2c08111fe Patch  Third Party Advisory 
https://github.com/docsifyjs/docsify/commit/ff2a66f12752471277fe81a64ad6c4b2c08111fe Patch  Third Party Advisory 
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076593 Exploit  Third Party Advisory 
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076593 Exploit  Third Party Advisory 
https://snyk.io/vuln/SNYK-JS-DOCSIFY-1066017 Exploit  Third Party Advisory 
https://snyk.io/vuln/SNYK-JS-DOCSIFY-1066017 Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-23342
NVD Published Date:
02/19/2021
NVD Last Modified:
11/21/2024
Source:
Snyk