github_osv/GHSA-rjqq-98f6-6j3r
Improper Input Validation in sanitize-html
Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the "allowedIframeHostnames" option.
gitlab/npm/sanitize-html/CVE-2021-26539
Origin Validation Error
sanitize-html does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass the hostname allowlist validation set by the `allowedIframeHostnames` option.