CVE-2021-36568

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

En determinados productos Moodle después de crear un curso, es posible añadir en un "Topic" arbitrario un recurso, en este caso una "Database" con el tipo "Text" donde sus valores "Field name" y "Field description" son vulnerables a un ataque de tipo Cross Site Scripting (XSS) Almacenado. Esto afecta a Moodle versión 3.11 y Moodle versión 3.10.4 y Moodle versión 3.9.7

*Credits: N/A

CVSS Scores

NISTv3.1 5.4

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-12 CVE Reserved
2022-09-13 CVE Published
2024-04-05 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (4)

URL	Tag	Source
https://drive.google.com/drive/folders/1_fO4BKpmD3avGYHSzvIXWs5owqVYgB1s?usp=sharing	Broken Link

URL	Date	SRC
https://blog.hackingforce.com.br/en/cve-2021-36568	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERQ3NHVOK4ZXT4MS4LBQ2ZJHTON3LIMW	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRI4ETMQ4DJR3TZUOOGPBQ32RBD5LNGC	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				3.9.7 Search vendor "Moodle" for product "Moodle" and version "3.9.7"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				3.10.4 Search vendor "Moodle" for product "Moodle" and version "3.10.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				3.11.0 Search vendor "Moodle" for product "Moodle" and version "3.11.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected