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CVE-2021-27131

Published: 16/05/2023 Updated: 17/05/2024
CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3
VMScore: 0

Vulnerability Summary

Moodle 3.10.1 is vulnerable to persistent/stored cross-site scripting (XSS) due to the improper input sanitization on the "Additional HTML Section" via "Header and Footer" parameter in /admin/settings.php. This vulnerability is leading an malicious user to steal admin and all user account cookies by storing the malicious XSS payload in Header and Footer. NOTE: this is disputed by the vendor because the "Additional HTML Section" for "Header and Footer" can only be supplied by an administrator, who is intentionally allowed to enter unsanitized input (e.g., site-specific JavaScript).

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moodle moodle 3.10.1

References

CWE-79https://github.com/p4nk4jv/CVEs-Assigned/blob/master/Moodle-3.10.1-CVE-2021-27131.mdhttps://github.com/moodle/moodlehttps://docs.moodle.org/402/en/Riskshttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-30310CVE-2024-21683CVE-2024-22187chromedeserializationXPath injectionCVE-2024-27842denial of serviceCVE-2024-24851googleCVE-2024-35400
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