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Medium, CVSS 4.3

Moodle sends quiz-related messages to inactive/suspended users

CVE-2025-62394GHSA-8fcv-4qp9-pg32

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (moodle/moodle 5.0.3, 4.5.7), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Packagist moodle/moodle

    Affected
    >= 5.0.0-beta, < 5.0.3>= 4.5.0-beta, < 4.5.7
    Fixed in
    5.0.3, 4.5.7

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
  • CVE-2025-62394: 0.23% estimated exploitation activity in the next 30 days; percentile 13.71 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Moodle failed to verify enrolment status correctly when sending quiz notifications. As a result, suspended or inactive users might receive quiz-related messages, leaking limited course information.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-8fcv-4qp9-pg32

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2025-62394

Advisory: Moodle sends quiz-related messages to inactive/suspended users
IDs: CVE-2025-62394, GHSA-8fcv-4qp9-pg32
Record: https://patchnext.com/advisories/cve-2025-62394 (revision 1, source checked 26 Oct 2026, 14:34 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 4.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: moodle/moodle 5.0.3, 4.5.7. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist moodle/moodle: affected >= 5.0.0-beta, < 5.0.3; >= 4.5.0-beta, < 4.5.7; fixed in 5.0.3, 4.5.7

## Suggested inspection (read-only)
- Packagist moodle/moodle: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on moodle/moodle.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-8fcv-4qp9-pg32 (GitHub-reviewed advisory GHSA-8fcv-4qp9-pg32 lists affected ranges: Packagist moodle/moodle >=5.0.0-beta =4.5.0-beta <4.5.7)

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