UpHeron
All vulnerabilities

Servers and applications

CVE-2021-43558

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.

Severity
Medium 6.1
Published
22 Nov 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.9.11, 3.10.8, 3.11.4
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Every version up to 3.8.8
  • From 3.9.0 before 3.9.11
  • From 3.10.0 before 3.10.8
  • From 3.11.0 before 3.11.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-43558
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-43558