GitHub Advisoryadvisory · npm
GHSA-2mm9-c2fx-c7m4 Docsify XSS Vulnerability
MEDIUM
Official page ↗
- Aliases
- CVE-2021-23342
- Ecosystem
- npm
- Packages
- docsify
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
- Reviewed
- 2021-02-24
Affected packages
• npm docsify: < 4.12.0 → fixed in 4.12.0
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
Related
Alias · CVE (1)
- CVE-2021-23342 This affects the package docsify before 4.12.0. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23342 advisory
- https://github.com/docsifyjs/docsify/commit/ff2a66f12752471277fe81a64ad6c4b2c08111fe web
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076593 web
- https://snyk.io/vuln/SNYK-JS-DOCSIFY-1066017 web
- https://www.npmjs.com/package/docsify web
- http://packetstormsecurity.com/files/161495/docsify-4.11.6-Cross-Site-Scripting.html web
- http://seclists.org/fulldisclosure/2021/Feb/71 web