CVE-2021-26539

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Source
https://cve.org/CVERecord?id=CVE-2021-26539
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26539.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-26539
Aliases
Downstream
Published
2021-02-08T17:15:13.673Z
Modified
2026-04-11T17:19:29.692700Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/apostrophecms/sanitize-html

Affected ranges

Type
GIT
Repo
https://github.com/apostrophecms/sanitize-html
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b77e1d9c3875b387589c864c796ce31a75e436a9
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.3.1"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*"
}

Affected versions

1.*
1.10.1
1.11.0
1.11.1
1.11.4
1.18.2
1.18.3
1.18.4
1.18.5
1.19.0
1.19.1
1.19.2
1.19.3
1.20.0
1.21.0
1.21.1
1.22.0
1.27.4
2.*
2.0.0
2.1.0
2.1.1
2.1.2
2.2.0
2.3.0
v1.*
v1.5.2
v1.7.0
v1.7.1
v1.7.2
v1.8.0
v1.9.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26539.json"