CVE-2026-102588

A flaw was found in Moodle. The XML grade import feature lacks proper Cross-Site Request Forgery (CSRF) token validation. By tricking an authenticated user with grade management permissions into visiting a malicious webpage, an attacker can trigger unauthorized requests on the victim's behalf. This flaw allows a remote attacker to set or overwrite student grades without authorization.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84545	Patch
https://access.redhat.com/security/cve/CVE-2026-102588	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2543643	Issue Tracking Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=482507	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::

History

01 Oct 2026, 15:51

Type	Values Removed	Values Added
First Time		Moodle Moodle moodle
CPE		cpe:2.3:a:moodle:moodle::::::::
References	~~() http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84545 -~~	() http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84545 - Patch
References	~~() https://access.redhat.com/security/cve/CVE-2026-102588 -~~	() https://access.redhat.com/security/cve/CVE-2026-102588 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2543643 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2543643 - Issue Tracking, Third Party Advisory
References	~~() https://moodle.org/mod/forum/discuss.php?d=482507 -~~	() https://moodle.org/mod/forum/discuss.php?d=482507 - Vendor Advisory

30 Sep 2026, 09:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-30 09:17

Updated : 2026-10-01 15:51

NVD link : CVE-2026-102588

Mitre link : CVE-2026-102588

CVE.ORG link : CVE-2026-102588

JSON object : View

Products Affected

moodle

moodle

CWE

CWE-346

Origin Validation Error

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