What’s Vulnerable › Vulnerabilities

CVE-2022-50943: Moodle LMS 4.0 Cross-Site Scripting via course search.php

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-10 · updated 2026-07-25
• Weakness: CWE-79

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.

Affected products

• Moodle: through 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

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