moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution
Published Sep 17, 2018
8.8
HIGHCVSS 3.0
EPSS 4.42%
Description
moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.
Affected products
- Vendor n/a Product Moodle Defaultn/a
- Version 3.1.14StatusaffectedConstraints-
- Version 3.3.8StatusaffectedConstraints-
- Version 3.4.5StatusaffectedConstraints-
- Version 3.5.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n/a | Moodle | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.42% (0.04425) | 91.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.42% (0.04425) | 90.08th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.54% (0.01545) | 80.82th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.96% (0.03964) | 87.23th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.51% (0.01514) | 79.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.71% (0.03710) | 79.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.97% (0.01973) | 82.35th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.76% (0.01757) | 87.64th | v3 (v2023.03.01) |
| Jul 2, 2024 | 3.46% (0.03458) | 91.56th | v3 (v2023.03.01) |
| May 6, 2024 | 4.82% (0.04818) | 92.69th | v3 (v2023.03.01) |
| Feb 8, 2024 | 5.38% (0.05385) | 92.83th | v3 (v2023.03.01) |
| Sep 11, 2023 | 5.46% (0.05460) | 92.23th | v3 (v2023.03.01) |
| Jul 8, 2023 | 5.17% (0.05175) | 91.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.86% (0.03862) | 90.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.47% (0.05471) | 89.99th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.47% (0.05471) | 89.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.47% (0.05471) | 76.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.17% (0.03168) | 65.23th | v1 |
| Jan 6, 2022 | 3.17% (0.03168) | 64.90th | v1 |
| Sep 1, 2021 | 3.17% (0.03168) | 81.34th | v1 |
| Apr 14, 2021 | 3.17% (0.03168) | 0.00th | v1 |
References (14)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/105354 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/advisories/GHSA-c3pr-h96w-2jjg Advisory
- https://github.com/moodle/moodle/commit/09cbca8566a388e8f0a1a0cfd86cd0667088ed2c
- https://github.com/moodle/moodle/commit/be092b730910ad97fff0511e177a097ec1cc4b1c
- https://github.com/moodle/moodle/commit/cb8aefa658cf7ad8f002a480343afb2dea94cc08
- https://github.com/moodle/moodle/commit/cfc4393aa689c277a27b9a040ff7dcbdac4e41dd
- https://github.com/moodle/moodle/commit/da1eeea0ff3d292b7669e478abc114872dd9cc8f
- https://moodle.org/mod/forum/discuss.php?d=376023 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14630
- https://seclists.org/fulldisclosure/2018/Sep/28 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- https://web.archive.org/web/20200227111301/https://www.securityfocus.com/bid/105354
- https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/ x_refsource_MISCExploitThird Party Advisory
Change history (0)
No recorded changes yet.