Vulnerability CVE-2021-26539
Published: 2021-02-08

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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Apostrophecms -> Sanitize-html 

 References:
https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22
https://github.com/apostrophecms/sanitize-html/pull/458
Copyright 2024, cxsecurity.com

 

Back to Top