CVE Vulnerability

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 hostname whitelist validation set by the "allowedIframeHostnames" option.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/apostrophecms/sanitize-html/pull/458 Patch Third Party Advisory
https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22 Release Notes Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2021-4308 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*
Information

Published : 2021-02-08 05:15

Updated : 2022-04-26 03:24

NVD link : CVE-2021-26539

Mitre link : CVE-2021-26539

Products Affected
No products.
CWE
NVD-CWE-noinfo