CVE-2026-102588
mediumpriority · track · 0EPSS 0.002 · 10 %ileDEUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3686Moodle: Mehrere SchwachstellenDeutsch2026-09-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Moodle ausnutzen, um Dateien zu manipulieren, Daten offenzulegen oder Cross-Site-Scripting-Angriffe durchzuführen.
- BIT-moodle-2026-102588Moodle: csrf in xml grade import2026-10-05vendor · osvUS
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.
sources
Which sources assert this record, and when.
references (4) nvd
External citations — patches, advisories, analysis.
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84545Patch
- https://access.redhat.com/security/cve/CVE-2026-102588Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2543643Issue TrackingThird Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=482507Vendor Advisory
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan