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CVE-2021-21809
🗓️ 23 Jun 2021 21:25:46Reported by talosType 
cve🔗 web.nvd.nist.gov📰️ 6 Media mentions👁 180 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 28 |
|---|---|---|---|---|
 | Moodle SpellChecker Path Authenticated Remote Command Execution Exploit | 13 Oct 202100:00 | – | zdt |
| Moodle Authenticated Spelling Binary Remote Code Execution Exploit | 13 Oct 202100:00 | – | zdt |
 | CVE-2021-21809 | 24 Jun 202102:17 | – | circl |
 | Moodle 操作系统命令注入漏洞 | 22 Jun 202100:00 | – | cnnvd |
 | Moodle Command Execution Vulnerability | 25 Jun 202100:00 | – | cnvd |
 | Moodle Command Injection (CVE-2021-21809) | 26 Jul 202100:00 | – | checkpoint_advisories |
 | CVE-2021-21809 | 23 Jun 202121:25 | – | cvelist |
 | Moodle command execution vulnerability exists in the default legacy spellchecker plugin | 24 May 202219:06 | – | github |
 | Moodle Authenticated Spelling Binary RCE | 12 Oct 202117:42 | – | metasploit |
| Moodle SpellChecker Path Authenticated Remote Command Execution | 12 Oct 202117:42 | – | metasploit |
10
[
{
"product": "Moodle",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Moodle 3.10"
}
]
}
]| Source | Link |
|---|---|
| packetstormsecurity | www.packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html |
| talosintelligence | www.talosintelligence.com/vulnerability_reports/TALOS-2021-1277 |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| s__aspellpath | request body | admin/settings.php | Command injection via aspell path in admin settings | CWE-78 |
| s_tinymce_spellchecker_spellengine | request body | admin/settings.php | Set spellchecker to a potentially dangerous engine to enable code execution | CWE-78 |
| s_tinymcespellcheckersettings | request body | admin/settings.php | Set spellchecker to a potentially dangerous engine to enable code execution | CWE-78 |
| {"id":"c0","method":"checkWords","params":["en",[""]]} | request body | lib/editor/tinymce/plugins/spellchecker/rpc.php | Trigger payload through TinyMCE spellchecker RPC to execute code | CWE-78 |
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17 Jun 2026 03:36Current
9.1High risk
Vulners AI Score9.1
CVSS 29
CVSS 3.19.1
CVSS 38.2
EPSS0.24173