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Vulnerability · Published Sep 30, 2026 · Assigned by fedora

CVE-2026-102588Moodle: csrf in xml grade import

Medium 6.5

In plain English

A medium-severity security flaw in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 90.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
moodle 5.2.0 – before 5.2.25.1.0 – before 5.1.65.0.0 – before 5.0.90 – before 4.5.13

Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References