CVE-2022-50943
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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Moodle
PublishedMay 10, 2026
First seenMay 10, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moodle moodle | v ≤ 4.0.0 | — |
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