BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php
Published Jun 5, 2017
8.8
HIGHCVSS 3.0
EPSS 2.45%
Description
BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\admin\modules\developer\extensions\install\unpack.php and core\admin\modules\developer\packages\install\unpack.php. NOTE: the vendor states "You must implicitly trust any package or extension you install as they all have the ability to write PHP files.
Affected products
No data.
- ≤ 4.2.18
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.45% (0.02451) | 83.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.45% (0.02451) | 82.22th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.26% (0.02261) | 83.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.21% (0.09207) | 87.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.26% (0.02261) | 83.46th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.25% (0.00251) | 65.43th | v3 (v2023.03.01) |
| May 10, 2024 | 0.25% (0.00251) | 64.85th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.24% (0.00241) | 61.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.22% (0.00220) | 59.05th | v3 (v2023.03.01) |
| Jan 7, 2024 | 0.39% (0.00392) | 70.59th | v3 (v2023.03.01) |
| Aug 1, 2023 | 0.40% (0.00404) | 70.25th | v3 (v2023.03.01) |
| Jun 21, 2023 | 0.43% (0.00431) | 70.96th | v3 (v2023.03.01) |
| May 8, 2023 | 0.38% (0.00380) | 68.85th | v3 (v2023.03.01) |
| Apr 15, 2023 | 0.29% (0.00285) | 63.96th | v3 (v2023.03.01) |
| Mar 21, 2023 | 0.28% (0.00279) | 63.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00273) | 62.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.70% (0.01702) | 76.15th | v2 (v2022.01.01) |
| Jul 5, 2022 | 1.70% (0.01702) | 74.62th | v2 (v2022.01.01) |
| May 1, 2022 | 1.38% (0.01382) | 69.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.27% (0.01267) | 65.03th | v2 (v2022.01.01) |
| Mar 2, 2022 | 1.27% (0.01267) | 41.73th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01156) | 34.92th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.97% (0.00975) | 26.14th | v1 |
| Jan 6, 2022 | 0.97% (0.00975) | 25.51th | v1 |
| Sep 1, 2021 | 0.97% (0.00975) | 61.17th | v1 |
| Apr 14, 2021 | 0.97% (0.00975) | 0.00th | v1 |
References (1)
- https://github.com/bigtreecms/BigTree-CMS/issues/291 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/bigtreecms/BigTree-CMS/issues/291 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.