CVE-2022-50943

medium

Published 2026-05-10 · Modified 2026-05-27

CVSS v3

6.1

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

CVSS v2

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VIR risk

6.1

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.

Predictions

Exploit likelihood

71%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

Vendor	Product	Versions	Fixed
moodle	moodle	`{"endIncluding":"4.0.0"}`

References

https://git.in.moodle.com/moodle
https://moodle.org/
https://www.exploit-db.com/exploits/51115
https://www.vulncheck.com/advisories/moodle-lms-cross-site-scripting-via-course-search-php

CWEs

CWE-79

Verify integrity in audit chain (admin only). AS-IS.