HIGH
Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension
Published Jan 1, 2018
8.8
HIGHCVSS 3.0
EPSS 1.88%
Description
Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension.
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.
1.88% 0.01878
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01878
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.88% (0.01878) | 78.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.35% (0.01353) | 67.83th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.74% (0.00736) | 70.49th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.83% (0.01831) | 71.79th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.33% (0.00327) | 71.13th | v3 (v2023.03.01) |
| Feb 27, 2024 | 0.33% (0.00327) | 70.12th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00348) | 70.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00348) | 67.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00523) | 12.55th | v1 |
| Jan 6, 2022 | 0.52% (0.00523) | 12.10th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
Weaknesses (1)
References (4)
- https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md x_refsource_MISCExploitThird Party Advisory
- https://github.com/advisories/GHSA-r342-vjc4-wrmj Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-3814
- https://web.archive.org/web/20170612231205/http://0day5.com/archives/4122
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/advisories/GHSA-r342-vjc4-wrmj | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-3814 | ||
| https://web.archive.org/web/20170612231205/http://0day5.com/archives/4122 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 1, 2018
Updated Aug 5, 2024
Reserved Jan 1, 2018
Link CVE-2018-3814
CISA Vulnrichment
GHSA-R342-VJC4-WRMJ Updated n/a