High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-14251
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:27 UTC · Revision 1
Source evidence
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.
osv:CVE-2017-14251
Complete source record
{
"id": "2e02f5191d5f47e150ec80222d039143a5024a75f07ee7590fdf75a47343c81d",
"url": "https://osv.dev/vulnerability/CVE-2017-14251",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-14251",
"summary": "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.",
"evidence": "osv:CVE-2017-14251",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-14251",
"aliases": [
"CVE-2017-14251",
"GHSA-fh4q-hxrw-cjqq"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/TYPO3/typo3",
"type": "GIT",
"events": [
{
"introduced": "a2585ba26b9df87ef67fdbb4f53d2f1a891d919f"
},
{
"last_affected": "c7c31332ac2222d03f29be627de34bb58bde0954"
}
],
"database_specific": {
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{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.0"
},
{
"last_affected": "7.6.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.1"
},
{
"last_affected": "7.6.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.2"
},
{
"last_affected": "7.6.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.3"
},
{
"last_affected": "7.6.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.4"
},
{
"last_affected": "7.6.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.5"
},
{
"last_affected": "7.6.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.6"
},
{
"last_affected": "7.6.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.7"
},
{
"last_affected": "7.6.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.8"
},
{
"last_affected": "7.6.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.9"
},
{
"last_affected": "7.6.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.10"
},
{
"last_affected": "7.6.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.11"
},
{
"last_affected": "7.6.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.12"
},
{
"last_affected": "7.6.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.13"
},
{
"last_affected": "7.6.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.14"
},
{
"last_affected": "7.6.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.15"
},
{
"last_affected": "7.6.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.16"
},
{
"last_affected": "7.6.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.17"
},
{
"last_affected": "7.6.17"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.18:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.18"
},
{
"last_affected": "7.6.18"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.19:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.19"
},
{
"last_affected": "7.6.19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.20:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.20"
},
{
"last_affected": "7.6.20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.21:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.21"
},
{
"last_affected": "7.6.21"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.1"
},
{
"last_affected": "8.0.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.1.0"
},
{
"last_affected": "8.1.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.1.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.1.1"
},
{
"last_affected": "8.1.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.1.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.1.2"
},
{
"last_affected": "8.1.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.2.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.2.0"
},
{
"last_affected": "8.2.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.2.1"
},
{
"last_affected": "8.2.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.3.0:*:*:*:*:*:*:*",
"range": [
{
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{
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],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.3.1:*:*:*:*:*:*:*",
"range": [
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},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.4.0"
},
{
"last_affected": "8.4.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.4.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.4.1"
},
{
"last_affected": "8.4.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.5.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.5.0"
},
{
"last_affected": "8.5.0"
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],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.5.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.5.1"
},
{
"last_affected": "8.5.1"
}
],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.6.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.6.0"
},
{
"last_affected": "8.6.0"
}
],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.6.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.6.1"
},
{
"last_affected": "8.6.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.7.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.0"
},
{
"last_affected": "8.7.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.7.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.1"
},
{
"last_affected": "8.7.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.7.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.2"
},
{
"last_affected": "8.7.2"
}
],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.7.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.3"
},
{
"last_affected": "8.7.3"
}
],
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},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.7.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.4"
},
{
"last_affected": "8.7.4"
}
],
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}
]
}
}
],
"versions": [
"7.6.0",
"7.6.1",
"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",
"7.6.2",
"7.6.20",
"7.6.21",
"7.6.3",
"7.6.4",
"7.6.5",
"7.6.6",
"7.6.7",
"7.6.8",
"7.6.9",
"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",
"v8.7.4",
"TYPO3_8-7-4",
"TYPO3_8-7-2",
"TYPO3_8-7-1",
"TYPO3_8-7-0",
"TYPO3_8-6-0",
"TYPO3_8-5-0",
"TYPO3_8-4-0",
"TYPO3_8-3-0",
"TYPO3_8-2-0",
"TYPO3_8-1-0",
"TYPO3_8-0-0",
"TYPO3_7-6-2",
"TYPO3_7-6-1",
"TYPO3_7-6-0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14251.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/benjaminkott/bootstrap_package",
"type": "GIT",
"events": [
{
"introduced": "2948aa3f9c34483477af9d18f89423eae07ede34"
},
{
"last_affected": "86bdd2dec46ddc0c25c65b4695160ae14b3b4679"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:typo3:typo3:8.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:8.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.1"
},
{
"last_affected": "8.0.1"
}
],
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}
]
}
}
],
"versions": [
"8.0.0",
"8.0.1"
],
"database_specific": {
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}
},
{
"ranges": [
{
"repo": "https://github.com/typo3/typo3",
"type": "GIT",
"events": [
{
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},
{
"last_affected": "c7c31332ac2222d03f29be627de34bb58bde0954"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.0"
},
{
"last_affected": "7.6.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.1"
},
{
"last_affected": "7.6.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.2"
},
{
"last_affected": "7.6.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.3"
},
{
"last_affected": "7.6.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.4"
},
{
"last_affected": "7.6.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.5"
},
{
"last_affected": "7.6.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.6"
},
{
"last_affected": "7.6.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.7"
},
{
"last_affected": "7.6.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.8"
},
{
"last_affected": "7.6.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.9"
},
{
"last_affected": "7.6.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.10"
},
{
"last_affected": "7.6.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.11"
},
{
"last_affected": "7.6.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.12"
},
{
"last_affected": "7.6.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.13"
},
{
"last_affected": "7.6.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.14"
},
{
"last_affected": "7.6.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.15"
},
{
"last_affected": "7.6.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.16"
},
{
"last_affected": "7.6.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:7.6.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.6.17"
},
{
"last_affected": "7.6.17"
}
],
"source": "CPE_STRING"
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"source_id": "core-osv",
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"published_at": "2017-09-11T09:29:00.467+00:00"
}