HIGH
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not
Published Jan 23, 2018
8.8
HIGHCVSS 3.0
EPSS 63.35%
Description
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
Affected products
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.
63.35% 0.63355
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.63355
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 (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 63.35% (0.63355) | 99.19th | v5 (v2026.06.15) |
| Sep 22, 2026 | 63.35% (0.63355) | 99.17th | v5 (v2026.06.15) |
| Sep 21, 2026 | 59.36% (0.59356) | 99.10th | v5 (v2026.06.15) |
| Sep 6, 2026 | 63.35% (0.63355) | 99.15th | v5 (v2026.06.15) |
| Sep 5, 2026 | 59.36% (0.59356) | 99.08th | v5 (v2026.06.15) |
| Aug 30, 2026 | 63.35% (0.63355) | 99.15th | v5 (v2026.06.15) |
| Aug 28, 2026 | 59.36% (0.59356) | 99.08th | v5 (v2026.06.15) |
| Aug 24, 2026 | 63.35% (0.63355) | 99.14th | v5 (v2026.06.15) |
| Aug 23, 2026 | 59.36% (0.59356) | 99.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 63.93% (0.63926) | 99.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 77.62% (0.77619) | 98.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 91.16% (0.91164) | 99.02th | v3 (v2023.03.01) |
| Jan 3, 2024 | 91.16% (0.91164) | 98.63th | v3 (v2023.03.01) |
| Dec 3, 2023 | 91.91% (0.91914) | 98.67th | v3 (v2023.03.01) |
| Sep 12, 2023 | 92.89% (0.92893) | 98.67th | v3 (v2023.03.01) |
| Aug 19, 2023 | 91.76% (0.91763) | 98.52th | v3 (v2023.03.01) |
| Jun 16, 2023 | 89.63% (0.89632) | 98.26th | v3 (v2023.03.01) |
| May 25, 2023 | 89.71% (0.89712) | 98.24th | v3 (v2023.03.01) |
| Apr 17, 2023 | 90.61% (0.90611) | 98.27th | v3 (v2023.03.01) |
| Mar 30, 2023 | 91.30% (0.91303) | 98.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.55% (0.92548) | 98.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 60.89% (0.60894) | 98.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 60.89% (0.60894) | 98.64th | v2 (v2022.01.01) |
| Feb 3, 2022 | 43.59% (0.43595) | 98.81th | v1 |
| Sep 16, 2021 | 43.59% (0.43595) | 99.42th | v1 |
| Sep 14, 2021 | 9.47% (0.09469) | 94.21th | v1 |
| Sep 1, 2021 | 43.59% (0.43595) | 99.42th | v1 |
| Apr 14, 2021 | 43.59% (0.43595) | 0.00th | v1 |
Weaknesses (1)
References (4)
- https://blogs.securiteam.com/index.php/archives/3559 x_refsource_MISCExploitThird Party Advisory
- https://github.com/monstra-cms/monstra/issues/426 x_refsource_MISCPatchThird Party Advisory
- https://securityprince.blogspot.in/2017/12/monstra-cms-304-arbitrary-file-upload.html x_refsource_MISCExploitThird Party Advisory
- https://www.exploit-db.com/exploits/43348/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://blogs.securiteam.com/index.php/archives/3559 | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/monstra-cms/monstra/issues/426 | x_refsource_MISCPatchThird Party Advisory | |
| https://securityprince.blogspot.in/2017/12/monstra-cms-304-arbitrary-file-upload.html | x_refsource_MISCExploitThird Party Advisory | |
| https://www.exploit-db.com/exploits/43348/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 23, 2018
Updated Aug 5, 2024
Reserved Jan 22, 2018
Link CVE-2017-18048
CISA Vulnrichment
Updated n/a