CVE-2021-23342 | BDVDB-2026-149442 Detail
docsify
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
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact low. Attack vector: network.
Weaknesses#
No weakness recorded in the source data.
References#
- https://snyk.io/vuln/SNYK-JS-DOCSIFY-1066017
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076593
- https://github.com/docsifyjs/docsify/commit/ff2a66f12752471277fe81a64ad6c4b2c08111fe
- http://seclists.org/fulldisclosure/2021/Feb/71
- http://packetstormsecurity.com/files/161495/docsify-4.11.6-Cross-Site-Scripting.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.