CVE-2023-23921

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

17/02/2023

Last modified:

28/02/2023

Description

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user&#39;s browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

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

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:moodle:moodle::::::::	3.9.0 (including)	3.9.19 (excluding)
cpe:2.3:a:moodle:moodle::::::::	3.11.0 (including)	3.11.12 (excluding)
cpe:2.3:a:moodle:moodle::::::::	4.0.0 (including)	4.0.6 (excluding)
cpe:2.3:a:moodle:moodle:4.1.0:-::::::

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

CVE-2023-23921

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools