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GHSA-c7jj-vfmr-j9mj

Moodle command execution vulnerability exists in the default legacy spellchecker plugin

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-21809

Packages

EcosystemPackageAffectedFixed in
Packagist moodle/moodle 3.10.0 no fix listed
Packagist moodle/moodle 3.11.2 no fix listed
Packagist moodle/moodle 3.8.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

A command execution vulnerability exists in the default legacy spellchecker plugin in a few Moodle multiple specific versions. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

References

External links from the advisory. They lead to third-party sites.