Vulnerability DatabaseCVE-2023-40316
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CVE-2023-40316
Published:May 15, 2026
Updated:May 15, 2026
moodle: proxy bypass risk due to insufficient validation
Affected Packages
moodle/moodle (PHP):
Affected version(s) =dev-MOODLE_310_STABLE <dev-MOODLE_311_STABLE
Fix Suggestion:
Update to version dev-MOODLE_311_STABLE
moodle/moodle (PHP):
Affected version(s) >=v3.10.0-rc2 <v3.10.6
Fix Suggestion:
Update to version v3.10.6
moodle/moodle (PHP):
Affected version(s) >=v3.9.16 <v3.9.23
Fix Suggestion:
Update to version v3.9.23
moodle/moodle (PHP):
Affected version(s) >=v4.2.0-beta <v4.2.2
Fix Suggestion:
Update to version v4.2.2
moodle/moodle (PHP):
Affected version(s) >=v3.9.0-beta <v3.9.9
Fix Suggestion:
Update to version v3.9.9
moodle/moodle (PHP):
Affected version(s) >=v4.0.0-rc2 <v4.0.10
Fix Suggestion:
Update to version v4.0.10
moodle/moodle (PHP):
Affected version(s) >=v3.9.13 <v3.9.15
Fix Suggestion:
Update to version v3.9.15
moodle/moodle (PHP):
Affected version(s) >=v4.1.0-rc3 <v4.1.5
Fix Suggestion:
Update to version v4.1.5
moodle/moodle (PHP):
Affected version(s) >=v3.11.6 <v3.11.16
Fix Suggestion:
Update to version v3.11.16
moodle/moodle (PHP):
Affected version(s) >=v3.10.10 <v3.11.2
Fix Suggestion:
Update to version v3.11.2
drakeba/moodle-core (PHP):
Affected version(s) >=dev-bamaster <=4.1.1
Fix Suggestion:
Update to version no_fix
agattitech/moodle_boilerplate (PHP):
Affected version(s) >=dev-master <=3.9.20
Fix Suggestion:
Update to version no_fix
Related Resources (2)
https://github.com/moodle/moodle/commit/058b830b0783e3a4a4060e6d5db7d88dd1691b70
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-40316
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE