UBUNTU-CVE-2020-26870

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Source

https://ubuntu.com/security/CVE-2020-26870

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26870.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-26870

Related

CVE-2020-26870

Published

2020-10-07T16:15:00Z

Modified

2025-01-13T10:22:18Z

Severity

6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator

Summary

[none]

Details

Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dompurify.js

Package

Name: dompurify.js
Purl: pkg:deb/ubuntu/dompurify.js@0.7.3~dfsg1-2?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.7.3~dfsg1-1

0.7.3~dfsg1-2

Ecosystem specific

{
    "ubuntu_priority": "low"
}

Ubuntu:Pro:18.04:LTS / dompurify.js

Package

Name: dompurify.js
Purl: pkg:deb/ubuntu/dompurify.js@0.9.0~dfsg1-2?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.0~dfsg1-1

0.9.0~dfsg1-2

Ecosystem specific

{
    "ubuntu_priority": "low"
}