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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 10, 2026 · NIST NVD

   Detected

   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.

2. Jul 25, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe moodle/moodleversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2022-50943

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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

  nvd.nist.gov

References

• Product · git.in.moodle.com
• Product · moodle.org
• Exploit · exploit-db.com
• Third Party Advisory · vulncheck.com