HIGH
An issue was discovered in Moodle 3.x
Published May 25, 2018
8.8
HIGHCVSS 3.0
EPSS 31.88%
Description
An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.
Affected products
- Vendor n/a Product Moodle 3.x unknown Defaultn/a
- Version Moodle 3.x unknownStatusaffectedConstraints-
- 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 3.x unknown | 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.
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.
31.88% 0.31879
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.31879
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 (45 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 31.88% (0.31879) | 98.26th | v5 (v2026.06.15) |
| Sep 22, 2026 | 31.88% (0.31879) | 98.22th | v5 (v2026.06.15) |
| Sep 21, 2026 | 24.58% (0.24581) | 97.82th | v5 (v2026.06.15) |
| Sep 6, 2026 | 31.88% (0.31879) | 98.18th | v5 (v2026.06.15) |
| Sep 5, 2026 | 24.58% (0.24581) | 97.78th | v5 (v2026.06.15) |
| Aug 30, 2026 | 31.88% (0.31879) | 98.17th | v5 (v2026.06.15) |
| Aug 28, 2026 | 24.58% (0.24581) | 97.77th | v5 (v2026.06.15) |
| Aug 24, 2026 | 31.88% (0.31879) | 98.16th | v5 (v2026.06.15) |
| Aug 23, 2026 | 24.58% (0.24581) | 97.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 32.23% (0.32234) | 98.09th | v5 (v2026.06.15) |
| May 31, 2026 | 40.78% (0.40785) | 97.44th | v4 (v2025.03.14) |
| May 13, 2026 | 54.03% (0.54030) | 98.03th | v4 (v2025.03.14) |
| May 4, 2026 | 61.68% (0.61679) | 98.35th | v4 (v2025.03.14) |
| Jan 30, 2026 | 64.47% (0.64466) | 98.40th | v4 (v2025.03.14) |
| Dec 26, 2025 | 67.09% (0.67087) | 98.49th | v4 (v2025.03.14) |
| Dec 9, 2025 | 60.12% (0.60124) | 98.17th | v4 (v2025.03.14) |
| Nov 21, 2025 | 61.12% (0.61125) | 98.21th | v4 (v2025.03.14) |
| Nov 18, 2025 | 53.66% (0.53657) | 97.89th | v4 (v2025.03.14) |
| Oct 28, 2025 | 61.12% (0.61125) | 98.20th | v4 (v2025.03.14) |
| Oct 23, 2025 | 67.95% (0.67954) | 98.51th | v4 (v2025.03.14) |
| Oct 1, 2025 | 61.12% (0.61125) | 98.27th | v4 (v2025.03.14) |
| Sep 3, 2025 | 67.95% (0.67954) | 98.55th | v4 (v2025.03.14) |
| Jul 30, 2025 | 69.45% (0.69445) | 98.57th | v4 (v2025.03.14) |
| Apr 28, 2025 | 62.86% (0.62860) | 98.24th | v4 (v2025.03.14) |
| Mar 30, 2025 | 56.69% (0.56693) | 97.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 58.69% (0.58687) | 97.43th | v4 (v2025.03.14) |
| Mar 28, 2025 | 56.69% (0.56693) | 97.93th | v4 (v2025.03.14) |
| Mar 17, 2025 | 59.04% (0.59039) | 98.01th | v4 (v2025.03.14) |
| Dec 26, 2024 | 53.02% (0.53015) | 97.72th | v3 (v2023.03.01) |
| Dec 17, 2024 | 54.76% (0.54760) | 97.76th | v3 (v2023.03.01) |
| Jul 20, 2024 | 83.23% (0.83225) | 98.48th | v3 (v2023.03.01) |
| May 4, 2024 | 84.70% (0.84703) | 98.49th | v3 (v2023.03.01) |
| Apr 3, 2024 | 86.41% (0.86406) | 98.53th | v3 (v2023.03.01) |
| Oct 16, 2023 | 88.27% (0.88266) | 98.32th | v3 (v2023.03.01) |
| Jul 8, 2023 | 88.36% (0.88360) | 98.20th | v3 (v2023.03.01) |
| May 19, 2023 | 88.99% (0.88990) | 98.18th | v3 (v2023.03.01) |
| May 8, 2023 | 88.93% (0.88929) | 98.17th | v3 (v2023.03.01) |
| Apr 16, 2023 | 88.29% (0.88294) | 98.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 88.43% (0.88426) | 98.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 45.30% (0.45297) | 98.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 45.30% (0.45297) | 97.80th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.71% (0.07710) | 84.59th | v1 |
| Jan 6, 2022 | 7.71% (0.07710) | 84.41th | v1 |
| Sep 1, 2021 | 7.71% (0.07710) | 92.04th | v1 |
| Apr 14, 2021 | 7.71% (0.07710) | 0.00th | v1 |
Weaknesses (1)
References (5)
- http://www.securityfocus.com/bid/104307 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-xh2j-q4mc-v522 Advisory
- https://moodle.org/mod/forum/discuss.php?d=371199 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1133
- https://www.exploit-db.com/exploits/46551 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104307 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-xh2j-q4mc-v522 | Advisory | |
| https://moodle.org/mod/forum/discuss.php?d=371199 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-1133 | ||
| https://www.exploit-db.com/exploits/46551 | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 25, 2018
Updated Aug 5, 2024
Reserved Dec 4, 2017
Link CVE-2018-1133
CISA Vulnrichment
GHSA-XH2J-Q4MC-V522 Updated n/a