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Advisory record · GHSA-pgvc-6h2p-q4f6

Umbraco CMS disclosure of configured password requirements

CVSS 5.3 MediumEPSS 0.0034 · 28th percentile

Published by the GitHub Advisory Database at 24 Jun 2025, 19:36 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
Umbraco.CmsNuGet>=10.0.0, <10.8.11 || >=13.0.0, <13.9.210.8.11, 13.9.2
Identifiers
GHSA-pgvc-6h2p-q4f6 · CVE-2025-49147
Weakness (CWE)
CWE-497
Tags
Published
24 Jun 2025
Updated
28 Jun 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Umbraco CMS versions 10.0.0 up to 10.8.11 and 13.0.0 up to 13.9.2 are affected. An unauthenticated attacker can send a request to an endpoint that is available anonymously and learn the configured password requirements, which could help in guessing a user's password. Upgrade to Umbraco CMS 10.8.11 or 13.9.2.

Written 9 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0034, the 28th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 24 Jun 2025, 08:40 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 15:22 UTC First seen by agentprime
  3. 31 Oct 2026, 15:22 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.