HIGH
In baserCMS before 4.1.4, lib\Baser\Model\ThemeConfig.php allows remote attackers to execute arbitrary PHP code via the admin/theme_configs/form data[ThemeConfig][logo] parameter
Published Nov 5, 2018
7.2
HIGHCVSS 3.0
EPSS 2.40%
Description
In baserCMS before 4.1.4, lib\Baser\Model\ThemeConfig.php allows remote attackers to execute arbitrary PHP code via the admin/theme_configs/form data[ThemeConfig][logo] parameter.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.2 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
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.
2.40% 0.02402
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02402
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.40% (0.02402) | 83.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.40% (0.02402) | 81.82th | v5 (v2026.06.15) |
| Mar 3, 2026 | 0.89% (0.00890) | 75.33th | v4 (v2025.03.14) |
| Nov 21, 2025 | 2.44% (0.02445) | 84.68th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.98% (0.00978) | 74.78th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.49% (0.02492) | 83.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.11% (0.04113) | 80.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.49% (0.02492) | 84.24th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.55% (0.00547) | 77.65th | v3 (v2023.03.01) |
| Jun 24, 2024 | 0.55% (0.00547) | 77.53th | v3 (v2023.03.01) |
| Mar 28, 2024 | 0.61% (0.00613) | 78.27th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.56% (0.00558) | 76.94th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.55% (0.00553) | 74.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.48% (0.00477) | 72.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.05% (0.01046) | 28.66th | v1 |
| Jan 6, 2022 | 1.05% (0.01046) | 28.03th | v1 |
| Sep 1, 2021 | 1.05% (0.01046) | 65.02th | v1 |
| Apr 14, 2021 | 1.05% (0.01046) | 0.00th | v1 |
Weaknesses (1)
References (7)
- http://sunu11.com/2018/10/31/baserCMS/ x_refsource_MISCExploitThird Party Advisory
- https://basercms.net/release/4_1_4 x_refsource_MISCRelease NotesVendor Advisory
- https://github.com/advisories/GHSA-rjc2-x53r-6c9r Advisory
- https://github.com/baserproject/basercms/issues/959 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-18942
- https://web.archive.org/web/20200130073341/https://basercms.net/release/4_1_4
- https://web.archive.org/web/20211209034642/http://sunu11.com/2018/10/31/baserCMS/
| Link | Providers | Tags |
|---|---|---|
| http://sunu11.com/2018/10/31/baserCMS/ | x_refsource_MISCExploitThird Party Advisory | |
| https://basercms.net/release/4_1_4 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://github.com/advisories/GHSA-rjc2-x53r-6c9r | Advisory | |
| https://github.com/baserproject/basercms/issues/959 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-18942 | ||
| https://web.archive.org/web/20200130073341/https://basercms.net/release/4_1_4 | ||
| https://web.archive.org/web/20211209034642/http://sunu11.com/2018/10/31/baserCMS/ |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 5, 2018
Updated Aug 5, 2024
Reserved Nov 5, 2018
Link CVE-2018-18942
CISA Vulnrichment
GHSA-RJC2-X53R-6C9R Updated n/a