CVE-2021-23342
High
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
SeverityHigh
CVSS8.6
Exploit probability—
Product
Docsify
PublishedFeb 19, 2021
First seenFeb 19, 2021
How to fix
Update
- docsifyjs docsify4.12.0 or later
- docsify4.12.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| docsifyjs docsify | v < 4.12.0 | 4.12.0 |
| docsifynpm | v < 4.12.0 | 4.12.0 |
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