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CVE-2021-36568

Date: September 13, 2022

In certain Moodle products after creating a course, it is possible to add in a arbitrary "Topic" a resource, in this case a "Database" with the type "Text" where its values "Field name" and "Field description" are vulnerable to Cross Site Scripting Stored(XSS). This affects Moodle 3.11 and Moodle 3.10.4 and Moodle 3.9.7.

Language: PHP

Severity Score

Related Resources (11)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PRI4ETMQ4DJR3TZUOOGPBQ32RBD5LNGC
https://drive.google.com/drive/folders/1_fO4BKpmD3avGYHSzvIXWs5owqVYgB1s?usp=sharing
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRI4ETMQ4DJR3TZUOOGPBQ32RBD5LNGC/
https://blog.hackingforce.com.br/en/cve-2021-36568
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERQ3NHVOK4ZXT4MS4LBQ2ZJHTON3LIMW/
https://github.com/moodle/moodle
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ERQ3NHVOK4ZXT4MS4LBQ2ZJHTON3LIMW
https://nvd.nist.gov/vuln/detail/CVE-2021-36568
https://blog.hackingforce.com.br/en/cve-2021-36568/
https://bugzilla.redhat.com/show_bug.cgi?id=2126857
https://www.mend.io/vulnerability-database/CVE-2021-36568

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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