MEDIUM
uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads)
Published Aug 2, 2018
6.1
MEDIUMCVSS 3.0
EPSS 3.67%
Description
uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).
Affected products
No data.
- 4.2.1
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.
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.
3.67% 0.03666
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03666
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.67% (0.03666) | 89.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.67% (0.03666) | 88.17th | v5 (v2026.06.15) |
| Aug 20, 2025 | 3.07% (0.03066) | 86.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.15% (0.04153) | 87.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.62% (0.02616) | 76.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.15% (0.04153) | 87.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00180) | 56.54th | v3 (v2023.03.01) |
| Feb 26, 2024 | 0.18% (0.00180) | 54.27th | v3 (v2023.03.01) |
| Dec 23, 2023 | 0.26% (0.00256) | 63.38th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.37% (0.00369) | 69.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00559) | 74.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02173) | 80.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02173) | 57.83th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.63% (0.03630) | 71.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.63% (0.03630) | 0.00th | v1 |
Weaknesses (1)
References (6)
- https://github.com/advisories/GHSA-vhqr-3gr2-7px9 Advisory
- https://github.com/intelliants/subrion/commit/b12e287d3814c0f2d0b1892f95fc0190972d2ba5
- https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47 x_refsource_MISCPatchThird Party Advisory
- https://github.com/intelliants/subrion/issues/773 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14840
- https://www.exploit-db.com/exploits/45150/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-vhqr-3gr2-7px9 | Advisory | |
| https://github.com/intelliants/subrion/commit/b12e287d3814c0f2d0b1892f95fc0190972d2ba5 | ||
| https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/intelliants/subrion/issues/773 | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14840 | ||
| https://www.exploit-db.com/exploits/45150/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 2, 2018
Updated Aug 5, 2024
Reserved Aug 1, 2018
Link CVE-2018-14840
CISA Vulnrichment
GHSA-VHQR-3GR2-7PX9 Updated n/a