In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00207.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Moodle
  • Moodle

Configuration 1 [-]

OR cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

No data.

No data.

Advisories
Source ID Title
EUVD EUVD EUVD-2023-1048 In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
Github GHSA Github GHSA GHSA-j9cw-5cpj-9qj5 Moodle has a Hidden Functionality vulnerability
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://moodle.org/mod/forum/discuss.php?d=424809 cve-icon cve-icon
History

Fri, 07 Mar 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published:

Updated: 2025-03-07T17:58:48.597Z

Reserved: 2021-07-12T00:00:00.000Z

Link: CVE-2021-36403

cve-icon Vulnrichment

Updated: 2024-08-04T00:54:51.412Z

cve-icon NVD

Status : Modified

Published: 2023-03-06T23:15:10.540

Modified: 2025-03-07T18:15:35.547

Link: CVE-2021-36403

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.