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CVE-2021-21809

Description

A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

POC

Reference

- http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/anldori/CVE-2021-21809

- https://github.com/k0mi-tg/CVE-POC

- https://github.com/manas3c/CVE-POC

- https://github.com/nomi-sec/PoC-in-GitHub

- https://github.com/whoforget/CVE-POC

- https://github.com/youwizard/CVE-POC