{"id":"CVE-2026-102588","title":"A flaw was found in Moodle","summary":"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 …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-346"],"vendor":"moodle","product":"moodle","affected":["moodle < 4.5.13","moodle >= 5.0.0, < 5.0.9","moodle >= 5.1.0, < 5.1.6","moodle >= 5.2.0, < 5.2.2"],"patched":["moodle 5.2.2"],"published":"2026-09-30","updated":"2026-10-01","sourceUpdated":"2026-10-01T15:51:47.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102588","references":[{"url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84545","label":"patrick@puiterwijk.org"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102588","label":"patrick@puiterwijk.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543643","label":"patrick@puiterwijk.org"},{"url":"https://moodle.org/mod/forum/discuss.php?d=482507","label":"patrick@puiterwijk.org"}],"tags":["nvd","cve.org"],"epss":0.00198,"epssPercentile":0.09509,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T13:56:19.288426Z"},"ingestedAt":"2026-09-30T09:00:29.907Z","slug":"CVE-2026-102588","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `moodle < 4.5.13`\n- `moodle >= 5.0.0, < 5.0.9`\n- `moodle >= 5.1.0, < 5.1.6`\n- `moodle >= 5.2.0, < 5.2.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `moodle 5.2.2`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}