CVE-2023-23921 - CVE House
Back to Database
Status published Unknown CVE-2023-23921

Moodle: reflected xss risk in some returnurl parameters

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-23921

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Upstream acknowledges DegrangeM as the original reporter.

Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
4.1.0, 4.0.0, 3.11.0, 0

Timeline

Official Publish: February 17th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)