CVE-2020-26870

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Source
https://cve.org/CVERecord?id=CVE-2020-26870
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26870.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-26870
Aliases
Downstream
Published
2020-10-07T16:15:18.030Z
Modified
2026-03-13T00:37:57.445962Z
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

Git / github.com/cure53/dompurify

Affected ranges

Type
GIT
Repo
https://github.com/cure53/dompurify
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
f04574b5c1761ace5fa4c60f3e452c0c2eb02ff4
Fixed
02724b8eb048dd219d6725b05c3000936f11d62d
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.0.17"
        }
    ]
}

Affected versions

0.*
0.1
0.3
0.4
0.4.2
0.4.3
0.4.4
0.4.5
0.6.0
0.6.1
0.6.2
0.6.3
0.6.4
0.6.5
0.6.6
0.6.7
0.7.0
0.7.1
0.7.2
0.7.3
0.7.4
0.8.0
0.8.1
0.8.2
0.8.3
0.8.4
0.8.5
0.8.6
0.8.7
0.8.8
0.8.9
0.9.0
1.*
1.0.0
1.0.1
1.0.10
1.0.11
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
1.0.8
1.0.9
2.*
2.0.0
2.0.1
2.0.10
2.0.11
2.0.12
2.0.13
2.0.14
2.0.15
2.0.16
2.0.2
2.0.3
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
v0.*
v0.3

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.9"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.7"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.8"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "21.1.0.00.01"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26870.json"