CVE-2021-26539
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Apostrophecms Sanitize-html
PublishedFeb 8, 2021
First seenFeb 8, 2021
How to fix
Update
- apostrophecms sanitize-html2.3.1 or later
- sanitize-html2.3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apostrophecms sanitize-html | v < 2.3.1 | 2.3.1 |
| sanitize-htmlnpm | v < 2.3.1 | 2.3.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.