CVE-2022-50943CWE-79

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

Medium · published May 10, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
22.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00305 · 22.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-10T12:12Z
EPSS history
Timeline
  • 10 MAY 12:12Z
    Moodle LMS 4.0 Cross-Site Scripting via course search.php
    cvelistv5