MEDIUM
edx-platform before 2018-07-18 allows XSS via a response to a Chemical Equation advanced problem
Published Jul 30, 2019
6.1
MEDIUMCVSS 3.1
EPSS 1.20%
Description
edx-platform before 2018-07-18 allows XSS via a response to a Chemical Equation advanced problem.
Affected products
No data.
- < 2018-07-18
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.
6.1 MEDIUM NVD
CVSS:3.1/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
No CVSS v3.0 score for this CVE.
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.
1.20% 0.01202
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01202
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.20% (0.01202) | 67.17th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.20% (0.01202) | 66.84th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00090) | 38.85th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.09% (0.00090) | 38.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://github.com/edx/edx-platform/commit/5b144559fbdba7ff673cc1c165aa2d343e07b6bd.patch x_refsource_MISCPatchThird Party Advisory
- https://groups.google.com/forum/#%21topic/openedx-announce/wsm5mtUhhME x_refsource_MISC
- https://patch-diff.githubusercontent.com/raw/edx/edx-platform/pull/18639.patch x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/edx/edx-platform/commit/5b144559fbdba7ff673cc1c165aa2d343e07b6bd.patch | x_refsource_MISCPatchThird Party Advisory | |
| https://groups.google.com/forum/#%21topic/openedx-announce/wsm5mtUhhME | x_refsource_MISC | |
| https://patch-diff.githubusercontent.com/raw/edx/edx-platform/pull/18639.patch | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 30, 2019
Updated Aug 5, 2024
Reserved Jul 29, 2019
Link CVE-2018-20859
CISA Vulnrichment
Updated n/a