Vulnerability in Moodle Project moodle

[ Description ]Official description

Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contains a path traversal vulnerability in the Blackboard question import format. Teachers with question import or lesson edit rights can upload a crafted zip with img src values containing ../ sequences, copying server files like config.php into their draft area.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund1 Nov 2026WID-SEC-2026-4274

  Moodle: Multiple vulnerabilities Translated from German

  CVE-2026-119554CVE-2026-119555CVE-2026-119553+1 more CVEs

[ References ]References

• abraxaslabs.tech/research/moodle-blackboard-img
• github.com/moodle/moodle
• github.com/moodle/moodle/blob/v5.3.0/public/question/format/blackboard_six/formatbase.php
• www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-blackbo…