HIGH
Unrestricted file upload vulnerability in the double extension support in the "image" module in Moodle 3.1.2 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, and then accessing it via unspecified vectors
Published Nov 4, 2016
8.8
HIGHCVSS 3.0
EPSS 3.97%
Description
Unrestricted file upload vulnerability in the double extension support in the "image" module in Moodle 3.1.2 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, and then accessing it via unspecified vectors.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.5 MEDIUM NVD
AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.97% 0.03970
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03970
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.97% (0.03970) | 90.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.97% (0.03970) | 89.08th | v5 (v2026.06.15) |
| Mar 30, 2026 | 2.08% (0.02078) | 83.89th | v4 (v2025.03.14) |
| Jul 8, 2025 | 3.28% (0.03277) | 86.63th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.38% (0.04385) | 87.92th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.49% (0.17494) | 91.86th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.38% (0.04385) | 88.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.41% (0.00413) | 74.79th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00413) | 73.28th | v3 (v2023.03.01) |
| Jun 8, 2023 | 0.41% (0.00413) | 70.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.49% (0.00489) | 72.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.66% (0.02662) | 82.25th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.66% (0.02662) | 80.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.66% (0.02662) | 61.85th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://www.securityfocus.com/bid/94191 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-58fm-v4pr-jh8p Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9187
- https://packetstormsecurity.com/files/139466/Moodle-CMS-3.1.2-Cross-Site-Scripting-File-Upload.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94191 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-58fm-v4pr-jh8p | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9187 | ||
| https://packetstormsecurity.com/files/139466/Moodle-CMS-3.1.2-Cross-Site-Scripting-File-Upload.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 4, 2016
Updated Aug 6, 2024
Reserved Nov 4, 2016
Link CVE-2016-9187
CISA Vulnrichment
GHSA-58FM-V4PR-JH8P Updated n/a