CVE-2021-47857

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Source
https://cve.org/CVERecord?id=CVE-2021-47857
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47857.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47857
Aliases
Published
2026-01-21T18:16:16.567Z
Modified
2026-07-09T05:14:41.083276Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Moodle 3.10.3 contains a persistent cross-site scripting vulnerability in the calendar event subtitle field that allows attackers to inject malicious scripts. Attackers can craft a calendar event with malicious JavaScript in the subtitle track label to execute arbitrary code when users view the event.

References

Affected packages

Git / github.com/moodle/moodle

Affected ranges

Type
GIT
Repo
https://github.com/moodle/moodle
Events
Introduced
ef7fcf42612ffcc289f804cf0b83a76631f83f70
Last affected
ef7fcf42612ffcc289f804cf0b83a76631f83f70
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:moodle:moodle:3.10.3:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "3.10.3"
        },
        {
            "last_affected": "3.10.3"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

3.*
3.10.3
v3.*
v3.10.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47857.json"