UpHeron
All vulnerabilities

Servers and applications

CVE-2021-20280

Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Severity
Medium 5.4
Published
15 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.5.17, 3.8.8, 3.9.5, 3.10.2
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • From 3.5.0 before 3.5.17
  • From 3.8.0 before 3.8.8
  • From 3.9.0 before 3.9.5
  • From 3.10.0 before 3.10.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20280
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20280