CVE-2021-43558

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

22/11/2021

Last modified:

21/12/2022

Description

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

6.10

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:moodle:moodle::::::::		3.8.8 (including)
cpe:2.3:a:moodle:moodle::::::::	3.9.0 (including)	3.9.11 (excluding)
cpe:2.3:a:moodle:moodle::::::::	3.10.0 (including)	3.10.8 (excluding)
cpe:2.3:a:moodle:moodle::::::::	3.11.0 (including)	3.11.4 (excluding)
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:::::::*
cpe:2.3:o:fedoraproject:fedora:35:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-43558

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools