VulnSocial

CVE-2026-46609Disclosure(umbraco / umbraco_cms)

LOWCVSS 4.6 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0.

umbraco CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • umbraco_cms

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
umbraco
Products
umbraco_cms

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-21: 1Technical Details · 2026-05-21: 105-21
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🟠 Umbraco CMS, XSS/#HTML Injection, #CVE-2026-46609 (Moderate Severity) https://dailycve.com/umbraco-cms-xss-html-injection-cve-2026-46609-moderate-severity/

    Post summary

    Announces the discovery of CVE-2026-46609, identifying an XSS/HTML injection flaw in Umbraco CMS with moderate severity.

    0000049
    207 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appumbracoumbraco_cms---

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