CVE-2026-65912

DOMPurify before 3.3.2 contains a URI validation bypass vulnerability when ADDATTR is provided as a predicate function via EXTRAELEMENT_HANDLING.attributeCheck. Attackers can supply a predicate that accepts specific attribute and tag combinations to bypass URI-safe validation, allowing unsafe protocols like javascript: to survive sanitization and execute as DOM-based XSS when the link is activated.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65912.json",
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-79"
    ]
}

References

Affected packages

Git / github.com/cure53/dompurify

Affected ranges

Type

GIT

Repo

https://github.com/cure53/dompurify

Events

Introduced

Fixed

5e56114cb24079ce52dbc51f76e494b77afa5153

Database specific

{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.3.2"
        }
    ],
    "source": "AFFECTED_FIELD"
}

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

0.8.0

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

2.0.17

2.0.2

2.0.3

2.0.4

2.0.5

2.0.6

2.0.8

2.0.9

2.1.0

2.1.1

2.2.0

2.2.2

2.2.3

2.2.4

2.2.6

2.2.7

2.2.8

2.2.9

2.3.0

2.3.1

2.3.10

2.3.11

2.3.12

2.3.2

2.3.3

2.3.4

2.3.5

2.3.6

2.3.8

2.3.9

2.4.0

2.4.1

2.4.2

2.4.3

3.*

3.0.0

3.0.1

3.0.10

3.0.11

3.0.2

3.0.3

3.0.5

3.0.6

3.0.7

3.0.8

3.0.9

3.1.0

3.1.1

3.1.2

3.1.4

3.1.5

3.1.6

3.1.7

3.2.0

3.2.1

3.2.2

3.3.1

v0.*

v0.3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-65912.json"