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CVE-2021-47857

🗓️ 21 Jan 2026 17:27:39Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 19 Views

Moodle 3.10.3 has a persistent cross site scripting flaw in the calendar event subtitle enabling code execution.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47857
21 Jan 202617:27
attackerkb
CNNVD
Moodle cross-site scripting vulnerabilities
21 Jan 202600:00
cnnvd
Cvelist
CVE-2021-47857 Moodle 3.10.3 - 'label' Persistent Cross Site Scripting
21 Jan 202617:27
cvelist
EUVD
EUVD-2026-3616
21 Jan 202617:27
euvd
NVD
CVE-2021-47857
21 Jan 202618:16
nvd
OSV
BIT-MOODLE-2021-47857 Moodle 3.10.3 - 'label' Persistent Cross Site Scripting
6 Mar 202608:46
osv
Positive Technologies
PT-2026-3809
25 Mar 202100:00
ptsecurity
RedhatCVE
CVE-2021-47857
21 Jan 202619:50
redhatcve
Redos
ROS-20260209-73-0038
9 Feb 202600:00
redos
Vulnrichment
CVE-2021-47857 Moodle 3.10.3 - 'label' Persistent Cross Site Scripting
21 Jan 202617:27
vulnrichment
Rows per page
NVD
Vulners
CNA
Node
moodlemoodleMatch3.10.3
[
  {
    "vendor": "Moodle",
    "product": "Moodle",
    "versions": [
      {
        "version": "3.10.3",
        "status": "affected"
      }
    ]
  }
]

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05 Mar 2026 19:45Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.1 - 7.2
CVSS 45.1
EPSS0.0005
SSVC
19