medium5.3
CVE-2021-26539
Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostnam…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apostrophecms | Sanitize-Html | before 2.3.1 |
References
- NVD record
- CVE.org record
- https://advisory.checkmarx.net/advisory/CX-2021-4308
- https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22
- https://github.com/apostrophecms/sanitize-html/pull/458
- https://advisory.checkmarx.net/advisory/CX-2021-4308
- https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22
- https://github.com/apostrophecms/sanitize-html/pull/458