Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code
Published Sep 11, 2017
8.8
HIGHCVSS 3.0
EPSS 2.31%
Description
Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.
Affected products
No data.
- 7.6.0
- 7.6.1
- 7.6.2
- 7.6.3
- 7.6.4
- 7.6.5
- 7.6.6
- 7.6.7
- 7.6.8
- 7.6.9
- 7.6.10
- 7.6.11
- 7.6.12
- 7.6.13
- 7.6.14
- 7.6.15
- 7.6.16
- 7.6.17
- 7.6.18
- 7.6.19
- 7.6.20
- 7.6.21
- 8.0.0
- 8.0.1
- 8.1.0
- 8.1.1
- 8.1.2
- 8.2.0
- 8.2.1
- 8.3.0
- 8.3.1
- 8.4.0
- 8.4.1
- 8.5.0
- 8.5.1
- 8.6.0
- 8.6.1
- 8.7.0
- 8.7.1
- 8.7.2
- 8.7.3
- 8.7.4
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.31% (0.02312) | 82.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.31% (0.02312) | 81.09th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.54% (0.03536) | 86.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.69% (0.07688) | 86.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.72% (0.03718) | 87.18th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.79% (0.00788) | 81.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.79% (0.00788) | 80.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00788) | 78.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.31% (0.01306) | 31.19th | v1 |
| Jan 6, 2022 | 1.31% (0.01306) | 30.55th | v1 |
| Sep 1, 2021 | 1.31% (0.01306) | 69.61th | v1 |
| Apr 14, 2021 | 1.31% (0.01306) | 0.00th | v1 |
References (6)
- http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html x_refsource_MISC
- http://www.securityfocus.com/bid/100620 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039295 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-fh4q-hxrw-cjqq Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-14251
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007 x_refsource_CONFIRMExploitVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/100620 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039295 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-fh4q-hxrw-cjqq | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-14251 | ||
| https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007 | x_refsource_CONFIRMExploitVendor Advisory |
Change history (0)
No recorded changes yet.