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CVE-2021-26539

PoC —
CVSS 3.1
5.3 medium
EPSS
2%p79
Published
()
Modified
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.

Vendors
apostrophecms
Products
sanitize-html
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (2.0%)

In the news

No ingested article mentions this CVE yet.