CVE-2025-47280

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workflow configured vulnerable, as it allows sending the message from a trusted system and address, potentially bypassing spam and email client security systems. This issue affects all (supported) versions Umbraco Forms and is patched in 13.4.2 and 15.1.2. Unpatched or unsupported versions can workaround this issue by using the Send email with template (Razor) workflow instead or writing a custom workflow type. To avoid accidentally using the vulnerable workflow again, the SendEmail workflow type can be removed using a composer available in the GitHub Security Advisory for this vulnerability.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
15.0%
KEV
Not listed

Published

May 13, 2025

Last Modified

May 22, 2025

References (1)

Affected Packages

(2 across 1 ecosystem)
NuGet(2)
PackageVulnerable rangeFixed inDependents
UmbracoForms7.0.0 ... 8.9.1 (110 versions)——
Umbraco.Forms14.0.0 ... 15.1.1 (30 versions)15.1.2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 02:56 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
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  1. 2026-07-07 13:45 UTCEPSS rescore
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  19. 2026-06-25 13:49 UTCEPSS rescore
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  23. 2026-06-23 21:32 UTCEPSS rescore
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  25. 2026-06-22 14:25 UTCEPSS rescore
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  27. 2026-06-21 14:56 UTCEPSS rescore
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  29. 2026-06-21 01:59 UTCEPSS rescore
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  31. 2026-06-19 19:25 UTCEPSS rescore
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  40. 2026-06-14 23:17 UTCEPSS rescore
  41. 2026-06-13 23:00 UTCEPSS rescore
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  45. 2026-06-10 22:18 UTCEPSS rescore
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  47. 2026-06-10 13:22 UTCEPSS rescore
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  50. 2026-06-07 15:24 UTCEPSS rescore
  51. 2026-06-06 13:47 UTCEPSS rescore
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  53. 2026-06-05 22:46 UTCEPSS rescore
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  55. 2026-06-05 06:10 UTCEPSS rescore
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  66. 2026-05-31 00:16 UTCEPSS rescore
  67. 2026-05-30 05:34 UTCEG score recompute
  68. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-47280?
CVE-2025-47280 is a medium vulnerability published on May 13, 2025. Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workflow…
When was CVE-2025-47280 disclosed?
CVE-2025-47280 was first published in the National Vulnerability Database on May 13, 2025, with the most recent update on May 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-47280 actively exploited?
CVE-2025-47280 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-47280?
CVE-2025-47280 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2025-47280?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-47280, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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