MEDIUM
Cross-site scripting (XSS) vulnerabilities in Moodle CMS on or before 3.1.2 allow remote attackers to inject arbitrary web script or HTML via the s_additionalhtmlhead, s_additionalhtmltopofbody, and s_additionalhtmlfooter parameters
Published Nov 4, 2016
6.1
MEDIUMCVSS 3.0
EPSS 1.54%
Description
Cross-site scripting (XSS) vulnerabilities in Moodle CMS on or before 3.1.2 allow remote attackers to inject arbitrary web script or HTML via the s_additionalhtmlhead, s_additionalhtmltopofbody, and s_additionalhtmlfooter parameters.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.54% 0.01543
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01543
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.54% (0.01543) | 74.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01543) | 71.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00396) | 58.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00101) | 43.24th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.10% (0.00101) | 41.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00101) | 39.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://www.securityfocus.com/bid/94189 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-7ghm-fp7p-qvjq Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9188
- https://packetstormsecurity.com/files/139466/Moodle-CMS-3.1.2-Cross-Site-Scripting-File-Upload.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://web.archive.org/web/20210123190812/http://www.securityfocus.com/bid/94189
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94189 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-7ghm-fp7p-qvjq | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9188 | ||
| https://packetstormsecurity.com/files/139466/Moodle-CMS-3.1.2-Cross-Site-Scripting-File-Upload.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://web.archive.org/web/20210123190812/http://www.securityfocus.com/bid/94189 |
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-2016-9188
CISA Vulnrichment
GHSA-7GHM-FP7P-QVJQ Updated n/a