CVE-2022-50943

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://git.in.moodle.com/moodle	Product
https://moodle.org/	Product
https://www.exploit-db.com/exploits/51115	Exploit VDB Entry
https://www.vulncheck.com/advisories/moodle-lms-cross-site-scripting-via-course-search-php	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

History

27 May 2026, 19:56

Type	Values Removed	Values Added
References	~~() https://git.in.moodle.com/moodle -~~	() https://git.in.moodle.com/moodle - Product
References	~~() https://moodle.org/ -~~	() https://moodle.org/ - Product
References	~~() https://www.exploit-db.com/exploits/51115 -~~	() https://www.exploit-db.com/exploits/51115 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/moodle-lms-cross-site-scripting-via-course-search-php -~~	() https://www.vulncheck.com/advisories/moodle-lms-cross-site-scripting-via-course-search-php - Third Party Advisory
CPE		cpe:2.3:a:moodle:moodle::::::::
First Time		Moodle moodle Moodle

10 May 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-10 13:16

Updated : 2026-05-27 19:56

NVD link : CVE-2022-50943

Mitre link : CVE-2022-50943

CVE.ORG link : CVE-2022-50943

JSON object : View

Products Affected

moodle

moodle

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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