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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Moodle Project moodle unaffected
Version Status Constraints
5.3.0 affected —
5.2.0 affected ≤ 5.2.4
5.1.0 affected ≤ 5.1.8
5.0.0 affected ≤ 5.0.11
0 affected ≤ 4.5.15

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Moodle Subscribe
Moodle Subscribe

Project Subscriptions

Vendors Products
Moodle Subscribe
Moodle Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://abraxaslabs.tech/research/moodle-blackboard-img cve-icon cve-icon
https://github.com/moodle/moodle cve-icon cve-icon
https://github.com/moodle/moodle/blob/v5.3.0/public/question/format/blackboard_six/formatbase.php#L128-L133 cve-icon cve-icon
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 cve-icon cve-icon
History

Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 30 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Blackboard Import Path Traversal
First Time appeared Moodle
Moodle moodle
Weaknesses CWE-23
CPEs cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:5.3.0:*:*:*:*:*:*:*
Vendors & Products Moodle
Moodle moodle
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T16:12:09.728Z

Reserved: 2026-10-30T10:53:27.042Z

Link: CVE-2026-119553

cve-icon Vulnrichment

Updated: 2026-10-30T16:12:03.465Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T12:16:42.273

Modified: 2026-10-30T19:21:43.293

Link: CVE-2026-119553

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T13:15:15Z

Weaknesses