Access Restriction Bypass Affecting sanitize-html package, versions <2.3.1
Threat Intelligence
EPSS
0.14% (51st
percentile)
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Test your applications- Snyk ID SNYK-JS-SANITIZEHTML-1070786
- published 9 Feb 2021
- disclosed 9 Feb 2021
- credit Ron Masas, Checkmarx
Introduced: 9 Feb 2021
CVE-2021-26539 Open this link in a new tabHow to fix?
Upgrade sanitize-html to version 2.3.1 or higher.
Overview
sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis
Affected versions of this package are vulnerable to Access Restriction Bypass. Internationalized domain name (IDN) is not properly handled. This allows attackers to bypass hostname whitelist validation set by the allowedIframeHostnames option.
References
CVSS Scores
version 3.1