apostrophecms/sanitize-html · Security
Improper Input Validation in sanitize-html
- GHSA ID
- GHSA-rjqq-98f6-6j3r
- CVE ID
- CVE-2021-26539
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS v3
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
CWEs
- CWE-20 · Improper Input Validation
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-26539 ↗
- 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/commit/bdf7836ef8f0e5b21f9a1aab0623ae8fcd09c1da ↗
- https://github.com/advisories/GHSA-rjqq-98f6-6j3r ↗