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Vulnerability details: VCID-421n-34cp-cka8
Vulnerability ID VCID-421n-34cp-cka8
Aliases CVE-2015-5331
GHSA-m7cc-6vhg-39wr
Summary Moodle improper access control Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-254 7PK - Security Features
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
There are no known severity scores.
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426
https://github.com/moodle/moodle/commit/cd0c9ac87d75b3d893d61df21e3ecfd12c065c1f
https://moodle.org/mod/forum/discuss.php?d=323228
CVE-2015-5331 https://nvd.nist.gov/vuln/detail/CVE-2015-5331
GHSA-m7cc-6vhg-39wr https://github.com/advisories/GHSA-m7cc-6vhg-39wr
No exploits are available.
There are no known vectors.

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:42:53.667681+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/moodle/moodle/CVE-2015-5331.yml 38.6.0