CVE-2023-23921

MEDIUM

Moodle < 3.9.19 - Cross-Site Scripting via Return URL Parameter

Title source: llm
STIX 2.1

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's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.0029
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (3)
moodle/moodle 4.1.0
moodle/moodle 0 - 3.9.19Packagist
moodle/moodle 3.9.0 - 3.9.19
Published Feb 17, 2023
Tracked Since Feb 18, 2026