CVE-2020-5809

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Source
https://cve.org/CVERecord?id=CVE-2020-5809
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5809.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-5809
Aliases
Published
2020-12-30T16:15:12.320Z
Modified
2026-07-08T19:45:23.883058Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.

References

Affected packages

Git / github.com/umbraco/umbraco-cms

Affected ranges

Type
GIT
Repo
https://github.com/umbraco/umbraco-cms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ca098e8a0190638712aefa807d6eb862f83aac4d
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "8.9.1"
        }
    ],
    "cpe": "cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

4.*
4.7.2
Release-4.*
Release-4.5.2
Release-4.6.0
Other
Sprint-Juno-A
release-6.*
release-6.1.0-beta
release-7.*
release-7.0.0
release-7.0.0-RC
release-7.0.0-beta
release-7.1.0
release-7.1.0-RC
release-7.1.1
release-7.1.2
release-7.1.3
release-7.1.4
release-7.2.0-alpha
release-7.2.0-beta
release-7.2.0-beta2
release-8.*
release-8.1.0
release-8.9.0
release-8.9.0-rc
release-8.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5809.json"