CVE-2026-119553
Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Blackboard Import Path Traversal
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-23 |
| Vendor | moodle project |
| Product | moodle |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Moodle Project / moodle
5.3.0 5.2.0 ≤ 5.2.4 5.1.0 ≤ 5.1.8 5.0.0 ≤ 5.0.11 0 ≤ 4.5.15
References
github.com: https://github.com/moodle/moodle/blob/v5.3.0/public/question/format/blackboard_six/formatbase.php#L128-L133 abraxaslabs.tech: https://abraxaslabs.tech/research/moodle-blackboard-img github.com: https://github.com/moodle/moodle vulncheck.com: https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-blackboard-import-path-traversal
Credits
Abraxas Labs