CVE-2026-46609Published

Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog

cve-program · CVE-2026-46609

Published

Umbraco-CMS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "umbraco",
                    "product": "Umbraco-CMS",
                    "versions": [
                        {
                            "version": ">= 14.0.0, < 17.4.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-36070

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jun 10, 2026, 3:59:03 PM

dateUpdated: Jun 10, 2026, 6:08:11 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-46609

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-79

Original publisher date fields

published: 2026-06-10T17:16:37.123

lastModified: 2026-10-26T11:10:00.157

1 source CPE criteria · context only

cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-vr9v-27gg-qgx4

Published

Umbraco.Cms

NuGet

ECOSYSTEM · introduced 14.0.0 → fixed 17.4.0

98 explicitly affected versions

14.0.0, 14.1.0, 14.1.0-rc, 14.1.0-rc2, 14.1.1, 14.1.2, 14.2.0, 14.2.0-rc, 14.2.0-rc2, 14.2.0-rc3, 14.3.0, 14.3.0-rc, 14.3.1, 14.3.2, 14.3.3, 14.3.4, 15.0.0, 15.0.0-rc1, 15.0.0-rc2, 15.0.0-rc3, 15.0.0-rc4, 15.1.0, 15.1.0-rc, 15.1.0-rc2, 15.1.1, 15.1.2, 15.2.0, 15.2.0-rc, 15.2.1, 15.2.2, 15.2.3, 15.3.0, 15.3.0-rc, 15.3.0-rc2, 15.3.1, 15.4.0, 15.4.0-rc, 15.4.0-rc2, 15.4.1, 15.4.2, 15.4.3, 15.4.4, 16.0.0, 16.0.0-rc, 16.0.0-rc2, 16.0.0-rc3, 16.0.0-rc4, 16.0.0-rc5, 16.0.0-rc6, 16.1.0, 16.1.0-rc, 16.1.1, 16.2.0, 16.2.0-rc, 16.2.0-rc2, 16.3.0, 16.3.0-rc, 16.3.0-rc2, 16.3.0-rc3, 16.3.0-rc4, 16.3.1, 16.3.2, 16.3.3, 16.3.4, 16.4.0, 16.4.0-rc, 16.4.0-rc2, 16.4.1, 16.5.0, 16.5.0-rc, 16.5.1, 17.0.0, 17.0.0-beta, 17.0.0-rc1, 17.0.0-rc2, 17.0.0-rc3, 17.0.0-rc4, 17.0.1, 17.0.2, 17.1.0, 17.1.0-rc, 17.2.0, 17.2.0-rc, 17.2.0-rc2, 17.2.1, 17.2.2, 17.3.0, 17.3.0-rc, 17.3.0-rc2, 17.3.0-rc3, 17.3.1, 17.3.2, 17.3.3, 17.3.4, 17.3.5, 17.4.0-rc, 17.4.0-rc2, 17.4.0-rc3

Original source record · Cite this exact observation · Complete original publisher JSON