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Security Database

CVE

CWE

Training

CVE-2022-50943

Published: May 10, 2026

Modified: May 24, 2026

PUBLISHED

CVSS v3.1

6.1

MEDIUM

Description

Moodle LMS 4.0 contains a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting payloads through the search parameter. Attackers can inject JavaScript code via the search field in course/search.php to execute arbitrary scripts in users' browsers and steal session cookies.

Vendor	Product	Versions
Moodle	Moodle LMS	affected `4.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

ExploitDB-51115

exploit

Official Product Homepage

product

Product Reference

product

VulnCheck Advisory: Moodle LMS 4.0 Cross-Site Scripting via course search.php

third-party-advisory

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